{"title":"MRCOOL DIY Control Boards","description":"\u003cp\u003eFind reviewed OEM control boards compatible with MRCOOL DIY systems. Use the equipment model, generation, board location and original part number to identify the correct replacement because similar-looking boards can use different connectors, firmware or control logic.\u003c\/p\u003e","products":[{"product_id":"mrcool-electronic-control-box-subassembly-control-board-diy-18-hp-230a","title":"MRCOOL Electronic Control Box Subassembly Control Board DIY-18-HP-230A \/ AE","description":"\u003cp\u003eUpgrade the brains of your MRCOOL DIY system. This \u003cstrong data-start=\"298\" data-end=\"352\"\u003eElectronic Control Box Subassembly \/ Control Board\u003c\/strong\u003e is designed for seamless use with select \u003cstrong data-start=\"394\" data-end=\"412\"\u003eMRCOOL DIY 18k\u003c\/strong\u003e central models, helping restore accurate temperature control, reliable startup, and overall system stability—without a pro visit.\u003c\/p\u003e\n\u003cp data-start=\"593\" data-end=\"844\"\u003e\u003cstrong data-start=\"593\" data-end=\"635\"\u003eKeep your MRCOOL DIY running like new.\u003c\/strong\u003e\u003cbr data-start=\"635\" data-end=\"638\"\u003eThe \u003cstrong data-start=\"642\" data-end=\"703\"\u003eMRCOOL Electronic Control Box Subassembly (Control Board)\u003c\/strong\u003e is engineered for the DIY-18-HP-C-230A and DIY-18-HP-C-230AE model families to deliver precise system management and dependable performance.\u003c\/p\u003e\n\u003ch3 data-start=\"846\" data-end=\"862\"\u003eKey features\u003c\/h3\u003e\n\u003cul data-start=\"863\" data-end=\"1389\"\u003e\n\u003cli data-start=\"863\" data-end=\"991\"\u003e\n\u003cp data-start=\"865\" data-end=\"991\"\u003e\u003cstrong data-start=\"865\" data-end=\"886\"\u003ePrecision control\u003c\/strong\u003e – Maintains accurate temperature regulation, compressor\/fan coordination, and safe system protections.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"992\" data-end=\"1106\"\u003e\n\u003cp data-start=\"994\" data-end=\"1106\"\u003e\u003cstrong data-start=\"994\" data-end=\"1014\"\u003eDIY-friendly fit\u003c\/strong\u003e – Designed for straightforward replacement to minimize downtime and avoid a service call.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1107\" data-end=\"1223\"\u003e\n\u003cp data-start=\"1109\" data-end=\"1223\"\u003e\u003cstrong data-start=\"1109\" data-end=\"1134\"\u003eBuilt for reliability\u003c\/strong\u003e – Robust board design and components meant to stand up to continuous HVAC duty cycles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1224\" data-end=\"1389\"\u003e\n\u003cp data-start=\"1226\" data-end=\"1389\"\u003e\u003cstrong data-start=\"1226\" data-end=\"1258\"\u003eModel-specific compatibility\u003c\/strong\u003e – Matches the control logic and connectors used on \u003cstrong data-start=\"1310\" data-end=\"1330\"\u003eDIY-18-HP-C-230A\u003c\/strong\u003e and \u003cstrong data-start=\"1335\" data-end=\"1356\"\u003eDIY-18-HP-C-230AE\u003c\/strong\u003e models for optimal performance.*\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1391\" data-end=\"1410\"\u003eWhat’s included\u003c\/h3\u003e\n\u003cul data-start=\"1411\" data-end=\"1496\"\u003e\n\u003cli data-start=\"1411\" data-end=\"1496\"\u003e\n\u003cp data-start=\"1413\" data-end=\"1496\"\u003eElectronic \u003cstrong data-start=\"1424\" data-end=\"1467\"\u003eControl Box Subassembly \/ Control Board\u003c\/strong\u003e (model-specific replacement)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1498\" data-end=\"1515\"\u003eCompatibility\u003c\/h3\u003e\n\u003cul data-start=\"1516\" data-end=\"1715\"\u003e\n\u003cli data-start=\"1516\" data-end=\"1600\"\u003e\n\u003cp data-start=\"1518\" data-end=\"1600\"\u003eIntended for \u003cstrong data-start=\"1531\" data-end=\"1558\"\u003eMRCOOL DIY-18-HP-C-230A\u003c\/strong\u003e and \u003cstrong data-start=\"1563\" data-end=\"1584\"\u003eDIY-18-HP-C-230AE\u003c\/strong\u003e series units.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1601\" data-end=\"1715\"\u003e\n\u003cp data-start=\"1603\" data-end=\"1715\"\u003e\u003cem data-start=\"1603\" data-end=\"1621\"\u003eBefore ordering:\u003c\/em\u003e verify your \u003cstrong data-start=\"1634\" data-end=\"1656\"\u003eexact model number\u003c\/strong\u003e from the unit data plate\/manual to ensure a perfect match.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1717\" data-end=\"1752\"\u003eInstallation notes (read first)\u003c\/h3\u003e\n\u003cul data-start=\"1753\" data-end=\"2190\"\u003e\n\u003cli data-start=\"1753\" data-end=\"1842\"\u003e\n\u003cp data-start=\"1755\" data-end=\"1842\"\u003e\u003cstrong data-start=\"1755\" data-end=\"1775\"\u003eDisconnect power\u003c\/strong\u003e at the breaker and allow components to discharge before service.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1843\" data-end=\"1923\"\u003e\n\u003cp data-start=\"1845\" data-end=\"1923\"\u003eTake \u003cstrong data-start=\"1850\" data-end=\"1870\"\u003ephotos of wiring\u003c\/strong\u003e before removal; transfer connectors one at a time.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1924\" data-end=\"2017\"\u003e\n\u003cp data-start=\"1926\" data-end=\"2017\"\u003eHandle the board by the edges and avoid static discharge (use an ESD strap if available).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2018\" data-end=\"2117\"\u003e\n\u003cp data-start=\"2020\" data-end=\"2117\"\u003eAfter installation, restore power and confirm normal startup sequence and error-free operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2118\" data-end=\"2190\"\u003e\n\u003cp data-start=\"2120\" data-end=\"2190\"\u003eFollow all local codes; use a \u003cstrong data-start=\"2150\" data-end=\"2174\"\u003elicensed electrician\u003c\/strong\u003e where required.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"2192\" data-end=\"2226\"\u003eWhy replace the control board?\u003c\/h3\u003e\n\u003cul data-start=\"2227\" data-end=\"2413\"\u003e\n\u003cli data-start=\"2227\" data-end=\"2413\"\u003e\n\u003cp data-start=\"2229\" data-end=\"2413\"\u003eIntermittent starts, erratic fan\/compressor behavior, or persistent control errors often trace back to a failing board. Replacing the subassembly restores proper logic and reliability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2415\" data-end=\"2418\"\u003e\n\u003cp data-start=\"2420\" data-end=\"2579\"\u003e*Model names can be very similar—double-check the suffix and voltage on your unit label. If you’re unsure, we’re happy to help confirm fitment before you buy.\u003c\/p\u003e","brand":"Control Board","offers":[{"title":"Default Title","offer_id":48785365729597,"sku":"17222000A43488","price":456.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/8069\/6893\/files\/MRCOOL_Electronic_Control_Box_Subassembly_Control_Board_DIY-18-HP-230A_-_-4511798.jpg?v=1750178778"},{"product_id":"electronic-control-box-assembly-diy-multi3-27hp230c","title":"Electronic Control Box Assembly - DIY-MULTI3-27HP230C","description":"\u003ch2\u003eMRCOOL DIY-MULTI3-27HP230C Electronic Control Box Subassembly\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eMRCOOL Electronic Control Box Subassembly\u003c\/strong\u003e is a genuine OEM replacement component designed specifically for the \u003cstrong\u003eMRCOOL DIY-MULTI3-27HP230C multi-zone heat pump condenser\u003c\/strong\u003e. This complete control box assembly contains the electronic components responsible for managing power distribution, compressor operation, fan control, system communication, temperature regulation, diagnostics, and equipment protection.\u003c\/p\u003e\n\n\u003cp\u003eUse this replacement electronic control box when repairing a damaged or malfunctioning factory control assembly in a compatible MRCOOL DIY multi-zone outdoor unit. Installing the correct model-specific component helps restore reliable heating and cooling performance while maintaining proper communication between the condenser and connected indoor air handlers.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenuine MRCOOL OEM replacement part\u003c\/strong\u003e designed for the DIY-MULTI3-27HP230C condenser.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete electronic control box subassembly\u003c\/strong\u003e for replacing the factory-installed outdoor unit control assembly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eControls essential system functions\u003c\/strong\u003e, including compressor operation, outdoor fan performance, system communication, diagnostics, and protective functions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFactory-matched connections and programming\u003c\/strong\u003e for compatible MRCOOL DIY multi-zone equipment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDesigned for dependable operation\u003c\/strong\u003e using components manufactured to MRCOOL equipment specifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv style=\"margin: 24px 0; padding: 22px; border: 3px solid #c62828; border-radius: 8px; background-color: #fff4f4;\"\u003e\n  \u003ch2 style=\"margin-top: 0; margin-bottom: 12px; color: #b71c1c; font-size: 22px;\"\u003e\n    ⚠️ Important Model Compatibility Warning\n  \u003c\/h2\u003e\n\n  \u003cp style=\"margin-bottom: 12px; font-size: 16px;\"\u003e\n    \u003cstrong\u003eThis electronic control box is compatible only with the MRCOOL DIY-MULTI3-27HP230C model with the letter “C” at the end of the model number.\u003c\/strong\u003e\n  \u003c\/p\u003e\n\n  \u003cp style=\"margin-bottom: 16px; font-size: 16px;\"\u003e\n    It is \u003cstrong\u003enot compatible\u003c\/strong\u003e with the earlier \u003cstrong\u003eDIY-MULTI3-27HP230\u003c\/strong\u003e condenser without the “C” suffix. These models may appear similar but use different electronic control components.\n  \u003c\/p\u003e\n\n  \u003cp style=\"margin-bottom: 16px; font-size: 16px;\"\u003e\n    Verify the complete model number on the outdoor unit data plate before ordering.\n  \u003c\/p\u003e\n\n  \u003cp style=\"margin-bottom: 0;\"\u003e\n    \u003ca href=\"https:\/\/mrcooldiydirect.com\/products\/electronic-control-box-subassembly-for-mrcool-diy-multi3-27hp230-heat-pump-condenser\" title=\"Electronic Control Box for MRCOOL DIY-MULTI3-27HP230\" style=\"display: inline-block; padding: 13px 20px; border-radius: 5px; background-color: #c62828; color: #ffffff; font-weight: 700; text-decoration: none;\"\u003e\n      View the Control Box for DIY-MULTI3-27HP230\n    \u003c\/a\u003e\n  \u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eCompatible MRCOOL Model\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatible outdoor unit:\u003c\/strong\u003e MRCOOL DIY-MULTI3-27HP230C\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNot compatible with:\u003c\/strong\u003e MRCOOL DIY-MULTI3-27HP230\u003c\/p\u003e\n\n\u003ch2\u003eBefore Ordering\u003c\/h2\u003e\n\n\u003cp\u003eConfirm both the complete outdoor unit model number and the original control box part number before purchasing. MRCOOL may use different control assemblies across equipment generations, revisions, and production runs. Similar-looking assemblies may use different circuit boards, wiring harnesses, connectors, sensors, or control programming.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation and Service Information\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisconnect all electrical power\u003c\/strong\u003e before opening or servicing the outdoor unit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVerify the model and part numbers\u003c\/strong\u003e against the equipment data plate and original component.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInspect all wiring and connectors\u003c\/strong\u003e for heat damage, corrosion, loose terminals, or failed components before installing the replacement assembly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfirm all connections are secure\u003c\/strong\u003e before restoring power and completing system startup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eElectronic control box diagnosis and replacement should be completed by a qualified HVAC technician familiar with inverter-driven mini-split and multi-zone heat pump systems. Improper diagnosis or installation can damage the replacement component or other system electronics.\u003c\/p\u003e\n\n\u003cp\u003eRestore dependable operation to your MRCOOL DIY multi-zone heat pump with the correct factory-matched \u003cstrong\u003eDIY-MULTI3-27HP230C electronic control box subassembly\u003c\/strong\u003e.\u003c\/p\u003e\n","brand":"Control Board","offers":[{"title":"Default Title","offer_id":48835424321853,"sku":"17222300002929","price":458.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/8069\/6893\/files\/Electronic_Control_Box_Assembly_-_DIY-MULTI3-27HP230C_-_-4484333.jpg?v=1750178780"},{"product_id":"control-box-subassembly-diy-12-hp-c-115b","title":"Electronic Control Box Subassembly for MRCOOL DIY-12-HP-C-115B Outside Condenser","description":"\u003ch2 data-end=\"295\" data-start=\"191\"\u003e\u003cstrong data-end=\"295\" data-start=\"191\"\u003eGenuine MRCOOL Replacement Electronic Control Box Subassembly for DIY-12-HP-C-115B Outdoor Condenser\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"\" data-end=\"654\" data-start=\"297\"\u003eRestore the performance and reliability of your MRCOOL mini split with this \u003cstrong data-end=\"426\" data-start=\"373\"\u003eGenuine MRCOOL Electronic Control Box Subassembly\u003c\/strong\u003e, designed specifically for the \u003cstrong data-end=\"508\" data-start=\"458\"\u003eMRCOOL DIY-12-HP-C-115B 115V Outdoor Condenser\u003c\/strong\u003e. This vital component regulates the electrical operations of your condenser, helping ensure efficient, safe, and long-lasting system performance.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"870\" data-start=\"656\"\u003e\u003cstrong data-end=\"725\" data-start=\"659\"\u003eShop with Confidence from the USA’s Most Trusted MRCOOL Dealer\u003c\/strong\u003e\u003cbr data-end=\"728\" data-start=\"725\"\u003eWhen you order from us, you’re working with a \u003cstrong data-end=\"801\" data-start=\"774\"\u003ecertified MRCOOL dealer\u003c\/strong\u003e known nationwide for reliability, fast shipping, and expert support.\u003c\/p\u003e\n\u003ch3 class=\"\" data-end=\"906\" data-start=\"877\"\u003e\u003cstrong data-end=\"906\" data-start=\"883\"\u003eProduct Highlights:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-end=\"1041\" data-start=\"910\"\u003e\n\u003cstrong data-end=\"958\" data-start=\"910\"\u003eExact Fit for MRCOOL DIY-12-HP-C-115B (115V)\u003c\/strong\u003e – Engineered to work seamlessly with your system for easy, worry-free replacement.\u003c\/li\u003e\n\u003cli data-end=\"1182\" data-start=\"1044\"\u003e\n\u003cstrong data-end=\"1079\" data-start=\"1044\"\u003eEssential Electrical Regulation\u003c\/strong\u003e – Manages all electrical functions, contributing to optimal cooling performance and system protection.\u003c\/li\u003e\n\u003cli data-end=\"1305\" data-start=\"1185\"\u003e\n\u003cstrong data-end=\"1217\" data-start=\"1185\"\u003eBuilt for Outdoor Durability\u003c\/strong\u003e – Constructed from high-quality, weather-resistant materials for extended service life.\u003c\/li\u003e\n\u003cli data-end=\"1411\" data-start=\"1308\"\u003e\n\u003cstrong data-end=\"1334\" data-start=\"1308\"\u003eDIY Installation Ready\u003c\/strong\u003e – Designed with homeowners and DIYers in mind for fast and easy replacement.\u003c\/li\u003e\n\u003cli data-end=\"1518\" data-start=\"1414\"\u003e\n\u003cstrong data-end=\"1430\" data-start=\"1414\"\u003eSafety First\u003c\/strong\u003e – Includes built-in protection against overload, short circuits, and electrical faults.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"\" data-end=\"1552\" data-start=\"1525\"\u003e\u003cstrong data-end=\"1552\" data-start=\"1532\"\u003eWhat’s Included:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-end=\"1609\" data-start=\"1554\"\u003e\n\u003cli class=\"\" data-end=\"1609\" data-start=\"1554\"\u003e\n\u003cp class=\"\" data-end=\"1609\" data-start=\"1556\"\u003e(1) Genuine MRCOOL Electronic Control Box Subassembly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"\" data-end=\"1643\" data-start=\"1616\"\u003e⚠️ \u003cstrong data-end=\"1643\" data-start=\"1623\"\u003eImportant Notes:\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-end=\"1727\" data-start=\"1647\"\u003e\n\u003cstrong data-end=\"1684\" data-start=\"1647\"\u003eImages may be for reference only.\u003c\/strong\u003e The actual product may vary in appearance.\u003c\/li\u003e\n\u003cli data-end=\"1839\" data-start=\"1730\"\u003e\n\u003cstrong data-end=\"1767\" data-start=\"1730\"\u003eControl boards are model-specific\u003c\/strong\u003e and are designed for the \u003cstrong data-end=\"1825\" data-start=\"1793\"\u003eMRCOOL DIY-12-HP-C-115B 115V\u003c\/strong\u003e outdoor unit.\u003c\/li\u003e\n\u003cli data-end=\"1971\" data-start=\"1842\"\u003eThis part \u003cstrong data-end=\"1893\" data-start=\"1852\"\u003emay fit other brands or MRCOOL models\u003c\/strong\u003e, but it is your responsibility to \u003cstrong data-end=\"1970\" data-start=\"1928\"\u003everify compatibility before purchasing\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-end=\"2140\" data-start=\"1974\"\u003e⚠️ \u003cstrong data-end=\"2025\" data-start=\"1977\"\u003eElectronic control boards are non-returnable\u003c\/strong\u003e once purchased or installed. Please double-check the model number and part requirements before placing your order.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"\" data-end=\"2330\" data-start=\"2147\"\u003eWhether you’re replacing a failed component or performing a proactive repair, this \u003cstrong data-end=\"2267\" data-start=\"2233\"\u003eMRCOOL replacement control box\u003c\/strong\u003e ensures your mini split system operates smoothly and safely.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"2430\" data-start=\"2332\"\u003e\u003cstrong data-end=\"2430\" data-start=\"2332\"\u003eOrder today from America’s most trusted MRCOOL source and get back to cooling with confidence.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Control Board","offers":[{"title":"Default Title","offer_id":48934297796925,"sku":"17222000035476","price":284.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/8069\/6893\/files\/Electronic_Control_Box_Subassembly_for_MRCOOL_DIY-12-HP-C-115B_Outside_Condenser_-_-4484402.jpg?v=1750180658"},{"product_id":"replacement-control-board-for-the-mrcool-diy-36k-multi-zone-condenser-model-diy-multi4-36hp230c","title":"Replacement Control Board for the MRCOOL DIY 36k Multi-Zone Condenser (model DIY-MULTI4-36HP230C)","description":"\u003ch3\u003e\u003cstrong\u003eGenuine MRCOOL Replacement Control Board for DIY-MULTI4-36HP230C Multi-Zone Condenser\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4\u003e\u003cstrong\u003eBuy Direct from the USA’s Most Trusted MRCOOL Dealer – MRCOOL DIY Direct\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eKeep your \u003cstrong\u003eMRCOOL DIY 36k Multi-Zone Condenser (model DIY-MULTI4-36HP230C)\u003c\/strong\u003e running at peak efficiency with this \u003cstrong\u003eOEM Replacement Control Board\u003c\/strong\u003e. This essential component is designed to \u003cstrong\u003eoptimize system performance\u003c\/strong\u003e, ensuring precise temperature control and seamless operation of your multi-zone air conditioning system.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e✅ \u003cstrong\u003eOEM Compatibility\u003c\/strong\u003e – Specifically designed for the \u003cstrong\u003eMRCOOL DIY 36k Multi-Zone Condenser, model DIY-MULTI4-36HP230C\u003c\/strong\u003e.\u003cbr\u003e✅ \u003cstrong\u003eEnhanced System Efficiency\u003c\/strong\u003e – Improves overall functionality and energy efficiency.\u003cbr\u003e✅ \u003cstrong\u003eDIY-Friendly Installation\u003c\/strong\u003e – Engineered for easy installation with clear, step-by-step instructions.\u003cbr\u003e✅ \u003cstrong\u003eDurable \u0026amp; Reliable\u003c\/strong\u003e – Manufactured with \u003cstrong\u003ehigh-quality materials\u003c\/strong\u003e for long-lasting operation.\u003cbr\u003e✅ \u003cstrong\u003eAdvanced Control Functions\u003c\/strong\u003e – Provides \u003cstrong\u003eprecise temperature management\u003c\/strong\u003e and system diagnostics for optimal comfort.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy Buy from MRCOOL DIY Direct?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e🔹 \u003cstrong\u003eAuthorized MRCOOL Dealer\u003c\/strong\u003e – Buy with confidence from an \u003cstrong\u003eofficial nationwide MRCOOL retailer\u003c\/strong\u003e.\u003cbr\u003e🔹 \u003cstrong\u003eFast Shipping from the USA\u003c\/strong\u003e – Get your parts quickly to minimize downtime.\u003cbr\u003e🔹 \u003cstrong\u003e100% Genuine OEM Parts\u003c\/strong\u003e – No third-party substitutes—just \u003cstrong\u003eauthentic MRCOOL replacement components\u003c\/strong\u003e.\u003cbr\u003e🔹 \u003cstrong\u003eExpert Support\u003c\/strong\u003e – Our team of HVAC specialists is here to assist with any questions.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eImportant Notes:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned exclusively\u003c\/strong\u003e for the \u003cstrong\u003eDIY-MULTI4-36HP230C model\u003c\/strong\u003e (not compatible with older versions).\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEnsure you verify the correct part number before purchasing.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eReturns are not allowed for replacement parts.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAlways disconnect power before installation to ensure safety.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eUpgrade Your System Today!\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAvoid costly breakdowns and maintain your MRCOOL system’s efficiency with this \u003cstrong\u003eGenuine MRCOOL Replacement Control Board\u003c\/strong\u003e. Purchase now from \u003cstrong\u003eMRCOOL DIY Direct\u003c\/strong\u003e, your trusted source for \u003cstrong\u003ehigh-quality HVAC solutions\u003c\/strong\u003e!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e📦 Fast Shipping | 🔧 Hassle-Free Installation | 🛠️ Expert Customer Support\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eShop with Confidence – MRCOOL DIY Direct Has You Covered!\u003c\/strong\u003e\u003c\/h4\u003e","brand":"Control Board","offers":[{"title":"Default Title","offer_id":49031389118781,"sku":"17222300002928","price":380.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/8069\/6893\/files\/Replacement_Control_Board_for_the_MRCOOL_DIY_36k_Multi-Zone_Condenser_model_DIY-MULTI4-36HP230C_-_-4513754.jpg?v=1750182380"},{"product_id":"electronic-control-box-subassembly-control-board-for-diy-18-hp-c-230c25-central-18-hp-c-230-25-condenser","title":"Electronic Control Box Subassembly Control Board for  (DIY-18-HP-C-230C25 ; CENTRAL-18-HP-C-230-25) Condenser","description":"\u003ch3 class=\"\" data-end=\"292\" data-start=\"146\"\u003e\u003cstrong data-end=\"290\" data-start=\"150\"\u003eGenuine MRCOOL Replacement Control Board – Electronic Control Box Subassembly for DIY-18-HP-C-230C25 \u0026amp; CENTRAL-18-HP-C-230-25 Condensers\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"\" data-end=\"361\" data-start=\"293\"\u003e\u003cstrong data-end=\"361\" data-start=\"293\"\u003eMaintain Peak Performance with an Authentic MRCOOL Control Board\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"746\" data-start=\"363\"\u003eEnsure the long-term performance and efficiency of your MRCOOL HVAC system with this \u003cstrong data-end=\"515\" data-start=\"448\"\u003eGenuine MRCOOL Electronic Control Box Subassembly Control Board\u003c\/strong\u003e. Specifically engineered for the \u003cstrong data-end=\"571\" data-start=\"549\"\u003eDIY-18-HP-C-230C25\u003c\/strong\u003e and \u003cstrong data-end=\"602\" data-start=\"576\"\u003eCENTRAL-18-HP-C-230-25\u003c\/strong\u003e condenser models, this OEM replacement part is critical for maintaining optimal system operation and seamless communication between components.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"941\" data-start=\"748\"\u003eWhether you're replacing a damaged board or conducting preventive maintenance, this control board ensures your condenser continues operating reliably and efficiently—exactly as MRCOOL intended.\u003c\/p\u003e\n\u003chr class=\"\" data-end=\"946\" data-start=\"943\"\u003e\n\u003ch3 class=\"\" data-end=\"987\" data-start=\"948\"\u003e🔧 \u003cstrong data-end=\"987\" data-start=\"955\"\u003eProduct Features \u0026amp; Benefits:\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp class=\"\" data-end=\"1170\" data-start=\"989\"\u003e✅ \u003cstrong data-end=\"1018\" data-start=\"991\"\u003eExact Fit Compatibility\u003c\/strong\u003e\u003cbr data-end=\"1021\" data-start=\"1018\"\u003eDesigned specifically for MRCOOL condenser models \u003cstrong data-end=\"1093\" data-start=\"1071\"\u003eDIY-18-HP-C-230C25\u003c\/strong\u003e and \u003cstrong data-end=\"1124\" data-start=\"1098\"\u003eCENTRAL-18-HP-C-230-25\u003c\/strong\u003e, ensuring flawless integration and operation.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"1328\" data-start=\"1172\"\u003e✅ \u003cstrong data-end=\"1191\" data-start=\"1174\"\u003eBuilt to Last\u003c\/strong\u003e\u003cbr data-end=\"1194\" data-start=\"1191\"\u003eManufactured with high-quality, durable materials capable of withstanding harsh environments, temperature changes, and consistent use.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"1507\" data-start=\"1330\"\u003e✅ \u003cstrong data-end=\"1362\" data-start=\"1332\"\u003eRestores System Efficiency\u003c\/strong\u003e\u003cbr data-end=\"1365\" data-start=\"1362\"\u003eA functioning control board is essential for accurate communication between components, maximizing energy efficiency and reliable performance.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"1686\" data-start=\"1509\"\u003e✅ \u003cstrong data-end=\"1546\" data-start=\"1511\"\u003eDIY \u0026amp; Pro-Friendly Installation\u003c\/strong\u003e\u003cbr data-end=\"1549\" data-start=\"1546\"\u003eIncludes clear instructions, making this replacement control board accessible to both experienced DIYers and licensed HVAC professionals.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"1857\" data-start=\"1688\"\u003e✅ \u003cstrong data-end=\"1713\" data-start=\"1690\"\u003eGenuine MRCOOL Part\u003c\/strong\u003e\u003cbr data-end=\"1716\" data-start=\"1713\"\u003eAs an official OEM MRCOOL replacement part, you can trust this board for full compatibility, factory-level reliability, and warranty support.\u003c\/p\u003e\n\u003chr class=\"\" data-end=\"1862\" data-start=\"1859\"\u003e\n\u003ch3 class=\"\" data-end=\"1891\" data-start=\"1864\"\u003e📦 \u003cstrong data-end=\"1891\" data-start=\"1871\"\u003eProduct Details:\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul data-end=\"2232\" data-start=\"1893\"\u003e\n\u003cli class=\"\" data-end=\"1962\" data-start=\"1893\"\u003e\n\u003cp class=\"\" data-end=\"1962\" data-start=\"1895\"\u003e\u003cstrong data-end=\"1909\" data-start=\"1895\"\u003ePart Type:\u003c\/strong\u003e Electronic Control Box Subassembly \/ Control Board\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"2054\" data-start=\"1963\"\u003e\n\u003cp class=\"\" data-end=\"1998\" data-start=\"1965\"\u003e\u003cstrong data-end=\"1996\" data-start=\"1965\"\u003eMRCOOL Model Compatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"2054\" data-start=\"2002\"\u003e\n\u003cli class=\"\" data-end=\"2024\" data-start=\"2002\"\u003e\n\u003cp class=\"\" data-end=\"2024\" data-start=\"2004\"\u003eDIY-18-HP-C-230C25\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"2054\" data-start=\"2028\"\u003e\n\u003cp class=\"\" data-end=\"2054\" data-start=\"2030\"\u003eCENTRAL-18-HP-C-230-25\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"2121\" data-start=\"2055\"\u003e\n\u003cp class=\"\" data-end=\"2121\" data-start=\"2057\"\u003e\u003cstrong data-end=\"2074\" data-start=\"2057\"\u003eInstallation:\u003c\/strong\u003e DIY or professional installation recommended\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"2169\" data-start=\"2122\"\u003e\n\u003cp class=\"\" data-end=\"2169\" data-start=\"2124\"\u003e\u003cstrong data-end=\"2138\" data-start=\"2124\"\u003eCondition:\u003c\/strong\u003e This is a \u003cstrong data-end=\"278\" data-start=\"227\"\u003ebrand new OEM MRCOOL control board sub-assembly\u003c\/strong\u003e, removed from new condensers that experienced \u003cstrong data-end=\"365\" data-start=\"325\"\u003ecosmetic damage to the outer cabinet\u003c\/strong\u003e during shipping or handling. These parts were carefully pulled from undamaged internal units and are guaranteed to be fully functional.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"2232\" data-start=\"2170\"\u003e\n\u003cp class=\"\" data-end=\"2232\" data-start=\"2172\"\u003e\u003cstrong data-end=\"2186\" data-start=\"2172\"\u003ePackaging:\u003c\/strong\u003e Ships securely with installation instructions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"\" data-end=\"2237\" data-start=\"2234\"\u003e\n\u003ch3 class=\"\" data-end=\"2281\" data-start=\"2239\"\u003e🏠 \u003cstrong data-end=\"2281\" data-start=\"2246\"\u003eWhy Buy from MRCOOL DIY Direct?\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp class=\"\" data-end=\"2591\" data-start=\"2283\"\u003eAs the \u003cstrong data-end=\"2338\" data-start=\"2290\"\u003eUSA’s most trusted independent MRCOOL dealer\u003c\/strong\u003e, MRCOOL DIY Direct offers \u003cstrong data-end=\"2396\" data-start=\"2365\"\u003eauthentic replacement parts\u003c\/strong\u003e, expert support, and fast nationwide shipping. We’re a \u003cstrong data-end=\"2503\" data-start=\"2452\"\u003efamily-owned business based in Joplin, Missouri\u003c\/strong\u003e, proudly supporting homeowners, contractors, and HVAC professionals across the country.\u003c\/p\u003e\n\u003chr class=\"\" data-end=\"2596\" data-start=\"2593\"\u003e\n\u003ch3 class=\"\" data-end=\"2643\" data-start=\"2598\"\u003e🔧 Keep Your MRCOOL System Running Strong\u003c\/h3\u003e\n\u003cp class=\"\" data-end=\"2876\" data-start=\"2645\"\u003eDon’t let a faulty control board disrupt your comfort. Replace it with this \u003cstrong data-end=\"2763\" data-start=\"2721\"\u003eGenuine MRCOOL Control Box Subassembly\u003c\/strong\u003e and restore your system’s performance the right way—backed by the quality and reliability only MRCOOL can offer.\u003c\/p\u003e","brand":"Control Board","offers":[{"title":"Default Title","offer_id":49089957691709,"sku":"17222000037055","price":272.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/8069\/6893\/files\/Electronic_Control_Box_Subassembly_Control_Board_for_DIY-18-HP-C-230C25_CENTRAL-18-HP-C-230-25_Condenser_-_-4484348.jpg?v=1750182427"},{"product_id":"control-board-sub-assembly-for-diy-12-hp-c-115ae","title":"Outdoor Condenser Control Board Sub-Assembly for DIY-12-HP-C-115AE - Genuine MRCOOL Replacement Parts -","description":"\u003cp\u003e\u003cstrong\u003eGenuine MRCOOL Replacement Parts - Outdoor Condenser Control Board Sub-Assembly for DIY-12-HP-C-115AE\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEnsure your MRCOOL DIY HVAC system continues to operate at peak performance with this high-quality replacement Outdoor Condenser Control Board Sub-Assembly, specifically designed for the older DIY-12-HP-C-115AE model. This control board is essential for maintaining the efficient and reliable operation of your air conditioning unit, even though this particular model is no longer in production.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Exclusively designed for the discontinued MRCOOL DIY-12-HP-C-115AE outside condenser units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Quality Construction:\u003c\/strong\u003e Manufactured with durable materials to withstand the demands of outdoor installation and extend the life of your unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Designed for straightforward replacement, making it ideal for DIY enthusiasts and homeowners.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Performance:\u003c\/strong\u003e Ensures the efficient operation of your condenser, reducing energy consumption and enhancing overall cooling performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBenefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimal Functionality:\u003c\/strong\u003e Keeps your MRCOOL condenser running at peak efficiency, providing reliable and consistent cooling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Lifespan:\u003c\/strong\u003e High-quality components help prolong the life of your HVAC system, protecting your investment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeace of Mind:\u003c\/strong\u003e Genuine MRCOOL parts guarantee quality and compatibility, ensuring a seamless fit and reliable operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKeep your MRCOOL system running smoothly with this essential control board replacement. Order now and maintain the comfort and efficiency of your home cooling system.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eFor more information or to purchase, please visit \u003ca title=\"Genuine MRCOOL Replacement Parts, Nationwide\" href=\"https:\/\/www.mrcooldiydirect.com\" rel=\"noreferrer\" target=\"_new\"\u003eMRCOOL DIY Direct\u003c\/a\u003e.\u003c\/p\u003e\n\u003c!----\u003e","brand":"Control Board","offers":[{"title":"Default Title","offer_id":49105081434429,"sku":"17222000A57507","price":318.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/8069\/6893\/files\/Outdoor_Condenser_Control_Board_Sub-Assembly_for_DIY-12-HP-C-115AE_-_Genuine_MRCOOL_Replacement_Parts_-_-_-4513504.jpg?v=1750182529"},{"product_id":"genuine-mrcool-replacement-part-outdoor-control-board-for-diy-multi2-18hp230c","title":"Genuine MRCOOL Replacement Part: Outdoor Control Board for DIY-MULTI2-18HP230C","description":"\u003cp\u003eEnsure the optimal performance of your MRCOOL DIY multi-zone system with the Genuine MRCOOL Replacement Outdoor Control Board. Specifically designed for the DIY-MULTI2-18HP230C model, this control board is an essential component that manages the operations of your outdoor unit, ensuring efficient and reliable performance.\u003c\/p\u003e\n\u003cp\u003eKey Features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine MRCOOL Part:\u003c\/strong\u003e Trust in the quality and compatibility of original MRCOOL components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Specific:\u003c\/strong\u003e Designed exclusively for the DIY-MULTI2-18HP230C, ensuring perfect fit and function.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable and Reliable:\u003c\/strong\u003e Built to meet MRCOOL's high standards for durability and performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Straightforward replacement process for minimal downtime.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Images may be stock photos and may not represent the exact part you receive. Please verify that this part is compatible with your specific MRCOOL model number before purchasing to ensure proper functionality and fit.\u003c\/p\u003e\n\u003cp\u003eKeep your MRCOOL system running smoothly with this genuine replacement outdoor control board. Order now and maintain the comfort and efficiency of your home climate control.\u003c\/p\u003e\n\u003c!----\u003e","brand":"Control Board","offers":[{"title":"Default Title","offer_id":49132863684925,"sku":"17222300002948 - SUBASSEMBLY","price":423.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/8069\/6893\/files\/mrcool-diy-multi2-18hp230c-outdoor-control-board.jpg?v=1750182709"},{"product_id":"genuine-mrcool-replacement-parts-control-board-for-mrcool-ductless-wall-mounted-air-handler-diy-18-hp-wmah-230c25","title":"Genuine MRCOOL Replacement Parts: Control Board for MrCool Ductless Wall Mounted Air Handler DIY-18-HP-WMAH-230C25","description":"\u003cp\u003eUpgrade your HVAC system with the Genuine MRCOOL Replacement Control Board, designed specifically for the MrCool Ductless Wall Mounted Air Handler DIY-18-HP-WMAH-230C25. This essential component ensures seamless operation and optimal performance of your MRCOOL ductless mini-split system.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect Compatibility\u003c\/strong\u003e: Engineered to fit the DIY-18-HP-WMAH-230C25 model, ensuring a precise fit and reliable functionality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Performance\u003c\/strong\u003e: Guarantees smooth operation, maintaining the efficiency and reliability of your ductless air handler.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation\u003c\/strong\u003e: Designed for straightforward replacement, allowing you to easily upgrade your system without professional assistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction\u003c\/strong\u003e: Made from high-quality materials to withstand the rigors of daily use, ensuring long-lasting performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimal Control\u003c\/strong\u003e: Provides accurate and responsive control over your HVAC system, enhancing your comfort and energy efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhether you're experiencing issues with your current control board or simply looking to upgrade, the Genuine MRCOOL Replacement Control Board is the ideal solution to keep your MRCOOL Ductless Wall Mounted Air Handler running smoothly. Invest in genuine parts for peace of mind and superior performance.\u003c\/p\u003e\n\u003c!----\u003e","brand":"Control Board","offers":[{"title":"Default Title","offer_id":49149029613885,"sku":"17222000037056","price":172.01,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/8069\/6893\/files\/Genuine_MRCOOL_Replacement_Parts_Control_Board_for_MrCool_Ductless_Wall_Mounted_Air_Handler_DIY-18-HP-WMAH-230C25_-_-4484704.jpg?v=1750182730"},{"product_id":"indoor-control-module-for-mrcool-diy-12-hp-c-115b-air-handler-genuine-replacement-parts","title":"MRCOOL Indoor Control Module for DIY-12-HP-WMAH-115B Air Handler","description":"\u003cp data-start=\"224\" data-end=\"536\"\u003eMaintain the performance, comfort, and reliability of your \u003cstrong data-start=\"283\" data-end=\"325\"\u003eMRCOOL DIY-12-HP-WMAH-115B Air Handler\u003c\/strong\u003e with the \u003cstrong data-start=\"335\" data-end=\"398\"\u003eGenuine MRCOOL Indoor Control Module (Part #17222000028396)\u003c\/strong\u003e. This OEM replacement part is designed specifically for the MRCOOL DIY series, ensuring perfect compatibility and dependable operation.\u003c\/p\u003e\n\u003cp data-start=\"538\" data-end=\"897\"\u003eWhether you’re replacing a failed control module or performing preventative maintenance, this component restores your air handler’s full functionality and keeps your heating and cooling system running efficiently. Engineered by MRCOOL to meet strict factory standards, it delivers the durability and precision your system needs to maintain peak performance.\u003c\/p\u003e\n\u003chr data-start=\"899\" data-end=\"902\"\u003e\n\u003ch3 data-start=\"904\" data-end=\"937\"\u003e\u003cstrong data-start=\"908\" data-end=\"935\"\u003eKey Features \u0026amp; Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"938\" data-end=\"1609\"\u003e\n\u003cli data-start=\"938\" data-end=\"1060\"\u003e\n\u003cp data-start=\"940\" data-end=\"1060\"\u003e\u003cstrong data-start=\"940\" data-end=\"964\"\u003eExact Compatibility:\u003c\/strong\u003e Manufactured to fit the \u003cstrong data-start=\"989\" data-end=\"1031\"\u003eMRCOOL DIY-12-HP-WMAH-115B Air Handler\u003c\/strong\u003e for seamless installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1061\" data-end=\"1187\"\u003e\n\u003cp data-start=\"1063\" data-end=\"1187\"\u003e\u003cstrong data-start=\"1063\" data-end=\"1086\"\u003eOEM MRCOOL Quality:\u003c\/strong\u003e 100% genuine MRCOOL replacement part—no aftermarket substitutes—ensuring long-lasting reliability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1188\" data-end=\"1315\"\u003e\n\u003cp data-start=\"1190\" data-end=\"1315\"\u003e\u003cstrong data-start=\"1190\" data-end=\"1222\"\u003eRestores Full Functionality:\u003c\/strong\u003e Keeps your system operating efficiently, providing consistent heating and cooling comfort.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1316\" data-end=\"1459\"\u003e\n\u003cp data-start=\"1318\" data-end=\"1459\"\u003e\u003cstrong data-start=\"1318\" data-end=\"1348\"\u003eDIY-Friendly Installation:\u003c\/strong\u003e Designed with the MRCOOL DIY customer in mind, making replacement straightforward without specialized tools.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1460\" data-end=\"1609\"\u003e\n\u003cp data-start=\"1462\" data-end=\"1609\"\u003e\u003cstrong data-start=\"1462\" data-end=\"1491\"\u003eEnergy \u0026amp; Comfort Control:\u003c\/strong\u003e Maintains proper communication between components, supporting energy efficiency and precise temperature regulation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1611\" data-end=\"1614\"\u003e\n\u003ch3 data-start=\"1616\" data-end=\"1658\"\u003e\u003cstrong data-start=\"1620\" data-end=\"1656\"\u003eWhy Choose Genuine MRCOOL Parts?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1659\" data-end=\"2020\"\u003eUsing authentic MRCOOL replacement parts protects your investment and ensures your system continues to run exactly as designed. Counterfeit or off-brand components can compromise performance, efficiency, and even warranty coverage. The \u003cstrong data-start=\"1895\" data-end=\"1927\"\u003eMRCOOL Indoor Control Module\u003c\/strong\u003e offers peace of mind, knowing you’re using the exact part recommended by the manufacturer.\u003c\/p\u003e\n\u003chr data-start=\"2022\" data-end=\"2025\"\u003e\n\u003ch3 data-start=\"2027\" data-end=\"2059\"\u003e\u003cstrong data-start=\"2031\" data-end=\"2057\"\u003eAdditional Information\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2060\" data-end=\"2306\"\u003e\n\u003cli data-start=\"2060\" data-end=\"2095\"\u003e\n\u003cp data-start=\"2062\" data-end=\"2095\"\u003e\u003cstrong data-start=\"2062\" data-end=\"2078\"\u003ePart Number:\u003c\/strong\u003e 17222000028396\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2096\" data-end=\"2160\"\u003e\n\u003cp data-start=\"2098\" data-end=\"2160\"\u003e\u003cstrong data-start=\"2098\" data-end=\"2119\"\u003eCompatible Model:\u003c\/strong\u003e MRCOOL DIY-12-HP-WMAH-115B Air Handler\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2161\" data-end=\"2229\"\u003e\n\u003cp data-start=\"2163\" data-end=\"2229\"\u003e\u003cstrong data-start=\"2163\" data-end=\"2180\"\u003eInstallation:\u003c\/strong\u003e DIY-friendly; professional assistance optional\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2230\" data-end=\"2306\"\u003e\n\u003cp data-start=\"2232\" data-end=\"2306\"\u003e\u003cstrong data-start=\"2232\" data-end=\"2243\"\u003eImages:\u003c\/strong\u003e Stock photos may be shown; actual part will match your model\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2308\" data-end=\"2311\"\u003e\n\u003cp data-start=\"2313\" data-end=\"2480\"\u003e\u003cstrong data-start=\"2313\" data-end=\"2478\"\u003eKeep your MRCOOL DIY system running at peak efficiency—order the Genuine MRCOOL Indoor Control Module today and enjoy dependable performance season after season.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Control Board","offers":[{"title":"Default Title","offer_id":49212569977149,"sku":"17222000028396","price":200.85,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/8069\/6893\/files\/Indoor_Control_Module_for_MRCOOL_DIY-12-HP-C-115B_Air_Handler_-_Genuine_Replacement_Parts_-_-4485009.jpg?v=1750183927"},{"product_id":"indoor-wall-mounted-air-handler-control-board-model-diy-12-hp-c-115c25-genuine-mrcool-replacement-parts","title":"Indoor Wall Mounted Air Handler Control Board Model DIY–12–HP-WMAH–115C25 - Genuine MRCOOL Replacement Parts**","description":"\u003cp\u003eUpgrade your MRCOOL DIY air handler with the Indoor Wall Mounted Air Handler Control Board model DIY–12–HP-WMAH–115C25. This genuine MRCOOL replacement part ensures seamless performance and reliability, designed specifically for your MRCOOL DIY system. The control board is essential for maintaining optimal operation, providing precise control over your heating and cooling settings.\u003c\/p\u003e\n\u003cp\u003eEasy to install and backed by MRCOOL’s commitment to quality, this control board is perfect for DIY enthusiasts and professional technicians alike. Keep your system running smoothly and efficiently with this top-of-the-line MRCOOL replacement part from MRCOOL DIY Direct.\u003c\/p\u003e\n\u003cp\u003e**Key Features:**\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e**Fits Model Number:** DIY–12–HP-WMAH–115C25\u003c\/li\u003e\n\u003cli\u003e**Genuine MRCOOL Replacement Part**: Ensures compatibility and reliable performance.\u003c\/li\u003e\n\u003cli\u003e**Optimal Operation**: Provides precise control over heating and cooling settings.\u003c\/li\u003e\n\u003cli\u003e**Easy Installation**: Perfect for DIY enthusiasts and professional technicians.\u003c\/li\u003e\n\u003cli\u003e**High Quality**: Backed by MRCOOL’s commitment to quality and durability.\u003c\/li\u003e\n\u003cli\u003e**Stock Images Included**: Visual representation of the product for reference.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOrder your Indoor Wall Mounted Air Handler Control Board model DIY–12–HP-WMAH–115C25 today and ensure your MRCOOL DIY system continues to operate at peak efficiency.\u003c\/p\u003e","brand":"Control Board","offers":[{"title":"Default Title","offer_id":49213782491453,"sku":"17222000037254","price":200.85,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/8069\/6893\/files\/Indoor_Wall_Mounted_Air_Handler_Control_Board_Model_DIY_12_HP-C_115C25_-_Genuine_MRCOOL_Replacement_Parts_-_-4485016.jpg?v=1750183933"},{"product_id":"electronic-control-box-subassembly-for-mrcool-diy-36-hp-wmah-230b-wall-mounted-air-handler","title":"Electronic Control Box Subassembly for MrCool DIY-36-HP-WMAH-230B Wall Mounted Air Handler","description":"\u003c!-- ================================================================ --\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!-- PRODUCT PAGE: MRCOOL ELECTRONIC CONTROL BOX SUBASSEMBLY           --\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!-- ================================================================ --\u003e\n\u003csection style=\"background: #fff; color: #0f172a; font-family: system-ui,Roboto,Helvetica,Arial,sans-serif; line-height: 1.6; max-width: 900px; margin: 0 auto; padding: 24px;\"\u003e\n\u003ch1 style=\"font-size: clamp(24px,3vw,34px); margin-bottom: 12px;\"\u003eGenuine MRCOOL Replacement Part: Electronic Control Box Subassembly for MRCOOL DIY-36-HP-WMAH-230B Wall Mounted Air Handler\u003c\/h1\u003e\n\u003cp style=\"color: #475569; margin-bottom: 16px;\"\u003eEnsure your \u003cstrong\u003eMRCOOL DIY-36-HP-WMAH-230B Wall Mounted Air Handler\u003c\/strong\u003e continues operating at peak efficiency with this \u003cstrong\u003egenuine MRCOOL Electronic Control Box Subassembly\u003c\/strong\u003e. Designed specifically for MRCOOL DIY systems, this OEM component ensures reliable performance, precise climate control, and maximum energy efficiency.\u003c\/p\u003e\n\u003cp style=\"color: #475569; margin-bottom: 16px;\"\u003eThe \u003cstrong\u003eElectronic Control Box Subassembly\u003c\/strong\u003e manages critical operational functions of your air handler — regulating temperature, fan speed, and system communication for optimized comfort and performance. Built for longevity, this replacement unit is engineered with durable materials to maintain seamless system functionality for years to come.\u003c\/p\u003e\n\u003cp style=\"color: #475569; margin-bottom: 24px;\"\u003eEasy to install and backed by MRCOOL’s quality assurance, this replacement control box helps keep your DIY system running smoothly and efficiently, supporting its advanced smart capabilities and energy-saving performance.\u003c\/p\u003e\n\u003chr style=\"border: none; border-top: 1px solid #e2e8f0; margin: 24px 0;\"\u003e\n\u003ch2 style=\"font-size: 20px; margin-bottom: 12px;\"\u003eProduct Features\u003c\/h2\u003e\n\u003cul style=\"color: #475569; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine MRCOOL Part:\u003c\/strong\u003e OEM replacement designed specifically for the MRCOOL DIY-36-HP-WMAH-230B Wall Mounted Air Handler, ensuring perfect compatibility and performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Control:\u003c\/strong\u003e Regulates all electronic functions for accurate climate management and peak energy efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Built from high-quality components for long-term reliability and stable operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Simple, straightforward setup for quick and effective replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced System Performance:\u003c\/strong\u003e Maintains optimal airflow and temperature consistency, preserving comfort across all conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized for MRCOOL DIY Systems:\u003c\/strong\u003e Integrates seamlessly with MRCOOL DIY air handlers for plug-and-play reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty Protection:\u003c\/strong\u003e Covered under MRCOOL’s warranty for quality assurance and peace of mind.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy Efficiency:\u003c\/strong\u003e Supports all smart, energy-saving features to reduce power usage while maintaining superior comfort levels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- ================================================================ --\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!-- SEO META TAGS                                                    --\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!-- ================================================================ --\u003e\n\u003cp\u003e\u003cmeta name=\"title\" content=\"MRCOOL DIY-36-HP-WMAH-230B Electronic Control Box Subassembly | Genuine Replacement Part\"\u003e \u003cmeta name=\"description\" content=\"Shop the genuine MRCOOL Electronic Control Box Subassembly for DIY-36-HP-WMAH-230B Wall Mounted Air Handler. OEM replacement part designed for precise control, energy efficiency, and long-lasting reliability. Nationwide shipping available.\"\u003e\u003c\/p\u003e\n\u003c!-- ================================================================ --\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!-- STRUCTURED DATA (JSON-LD)                                        --\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!-- ================================================================ --\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Control Board","offers":[{"title":"Default Title","offer_id":49290344137021,"sku":"17222000028537","price":209.09,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/8069\/6893\/files\/Electronic_Control_Box_Subassembly_for_MrCool_DIY-36-HP-WMAH-230B_Wall_Mounted_Air_Handler_-_-4484410.jpg?v=1750184393"},{"product_id":"electronic-control-box-subassembly-for-mrcool-diy-multi3-27hp230-heat-pump-condenser","title":"Electronic Control Box Subassembly for MRCOOL DIY-MULTI3-27HP230 Heat Pump Condenser","description":"\u003cp\u003eThe \u003cstrong\u003eMRCOOL Electronic Control Box Subassembly\u003c\/strong\u003e is a genuine OEM replacement component designed specifically for the \u003cstrong\u003eMRCOOL DIY-MULTI3-27HP230 multi-zone heat pump condenser\u003c\/strong\u003e. This complete electronic control box assembly contains critical system controls responsible for power distribution, temperature regulation, system communication, and diagnostic operation.\u003c\/p\u003e\n\n\u003cp\u003eUse this replacement control box when repairing a damaged or malfunctioning electrical control assembly in a compatible MRCOOL DIY multi-zone condenser. Installing the correct OEM component helps restore proper heating and cooling performance while maintaining factory compatibility with the outdoor unit.\u003c\/p\u003e\n\n\u003ch2\u003eMRCOOL DIY-MULTI3-27HP230 Electronic Control Box Features\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenuine MRCOOL OEM replacement part\u003c\/strong\u003e designed for the DIY-MULTI3-27HP230 condenser.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete electronic control box subassembly\u003c\/strong\u003e for replacing the factory-installed outdoor unit control assembly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupports essential system functions\u003c\/strong\u003e, including electrical control, equipment communication, temperature management, and diagnostics.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFactory-matched fit and connections\u003c\/strong\u003e for compatible MRCOOL DIY multi-zone equipment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt for dependable operation\u003c\/strong\u003e using MRCOOL-approved components and specifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv style=\"margin: 24px 0; padding: 20px; border: 3px solid #c62828; border-radius: 8px; background-color: #fff4f4;\"\u003e\n  \u003ch2 style=\"margin-top: 0; margin-bottom: 10px; color: #b71c1c; font-size: 22px;\"\u003e\n    ⚠️ Important Model Compatibility Warning\n  \u003c\/h2\u003e\n\n  \u003cp style=\"margin-bottom: 12px; font-size: 16px;\"\u003e\n    \u003cstrong\u003eThis electronic control box is compatible only with the MRCOOL DIY-MULTI3-27HP230 model without the letter “C” at the end of the model number.\u003c\/strong\u003e\n  \u003c\/p\u003e\n\n  \u003cp style=\"margin-bottom: 16px; font-size: 16px;\"\u003e\n    It is \u003cstrong\u003enot compatible\u003c\/strong\u003e with the newer \u003cstrong\u003eDIY-MULTI3-27HP230C\u003c\/strong\u003e condenser. Please verify the complete model number on your outdoor unit data plate before ordering.\n  \u003c\/p\u003e\n\n  \u003cp style=\"margin-bottom: 0;\"\u003e\n    \u003ca href=\"https:\/\/mrcooldiydirect.com\/products\/electronic-control-box-assembly-diy-multi3-27hp230c\" title=\"Electronic Control Box for MRCOOL DIY-MULTI3-27HP230C\" style=\"display: inline-block; padding: 12px 18px; border-radius: 5px; background-color: #c62828; color: #ffffff; font-weight: 700; text-decoration: none;\"\u003e\n      View the Control Box for DIY-MULTI3-27HP230C\n    \u003c\/a\u003e\n  \u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eCompatible MRCOOL Model\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatible outdoor unit:\u003c\/strong\u003e MRCOOL DIY-MULTI3-27HP230\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNot compatible with:\u003c\/strong\u003e MRCOOL DIY-MULTI3-27HP230C\u003c\/p\u003e\n\n\u003ch2\u003eBefore Ordering\u003c\/h2\u003e\n\n\u003cp\u003eConfirm the full model number and existing part number before purchasing. MRCOOL may use different electronic control box assemblies across equipment generations that appear nearly identical but use different circuit boards, wiring harnesses, connectors, or control programming.\u003c\/p\u003e\n\n\u003cp\u003eElectrical diagnosis and replacement should be completed by a qualified HVAC technician familiar with inverter-driven mini-split and multi-zone heat pump systems. Disconnect all electrical power before servicing the equipment.\u003c\/p\u003e\n\n\u003cp\u003eRestore reliable operation to your MRCOOL DIY multi-zone heat pump with the correct factory-matched \u003cstrong\u003eDIY-MULTI3-27HP230 electronic control box subassembly\u003c\/strong\u003e.\u003c\/p\u003e\n","brand":"Control Board","offers":[{"title":"Default Title","offer_id":49382686654781,"sku":"17222300002428","price":435.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/8069\/6893\/files\/Electronic_Control_Box_Subassembly_for_MRCOOL_DIY-MULTI3-27HP230_Heat_Pump_Condenser_-_-4484443.jpg?v=1750184604"},{"product_id":"control-board-for-mrcool-condenser-diy-12-hp-c-115c25","title":"Control Board for MrCool Ductless Heat Pump Condenser DIY-12-HP-C-115C25","description":"\u003cp\u003e\u003cstrong\u003eControl Board for MrCool Ductless Heat Pump Condenser DIY-12-HP-C-115C25: Reliable Performance and Seamless Integration\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eControl Board for the MrCool Ductless Heat Pump Condenser DIY-12-HP-C-115C25\u003c\/strong\u003e is an essential component that ensures your heat pump operates efficiently and reliably. This control board is specifically designed for the \u003cstrong\u003eDIY-12-HP-C-115C25 MrCool Ductless Heat Pump Condenser\u003c\/strong\u003e and is a key part of managing the various functions of your HVAC system, from controlling temperature settings to optimizing the unit's performance based on environmental conditions.\u003c\/p\u003e\n\u003cp\u003eWhether you're replacing an outdated or malfunctioning control board or need to upgrade your current unit, this \u003cstrong\u003eOEM MrCool Control Board\u003c\/strong\u003e is a perfect fit, designed for hassle-free integration with your system. Built with advanced electronics and safety features, it offers precise control and seamless operation, ensuring your MrCool DIY heat pump runs smoothly year-round.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features and Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4\u003e\u003cstrong\u003ePrecision Control for Enhanced System Performance\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe control board serves as the \"brain\" of your \u003cstrong\u003eMrCool DIY Ductless Heat Pump\u003c\/strong\u003e system. It controls key aspects of operation, including managing temperature settings, fan speeds, and compressor activity, allowing your heat pump to efficiently provide both heating and cooling.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccurate Temperature Management\u003c\/strong\u003e: The control board is programmed to regulate your system’s heating and cooling functions, ensuring the space maintains your desired comfort level.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy Efficiency\u003c\/strong\u003e: By optimizing the performance of the compressor and fan, the control board helps your MrCool heat pump maintain energy efficiency, reducing energy consumption while maximizing comfort.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Diagnostic Functions\u003c\/strong\u003e: The control board monitors the system for any faults or malfunctions, displaying error codes that help you quickly identify and resolve issues, ensuring system longevity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThis control board is specifically designed for use with the \u003cstrong\u003eMrCool DIY-12-HP-C-115C25 Ductless Heat Pump Condenser\u003c\/strong\u003e. It is engineered to seamlessly integrate with the rest of your MrCool system, ensuring smooth operation without any need for extensive modifications.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel-Specific Design\u003c\/strong\u003e: The board is engineered for the unique specifications of the DIY-12-HP-C-115C25, ensuring optimal compatibility and system performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple Installation\u003c\/strong\u003e: With pre-configured settings, the control board is designed for quick and easy installation, allowing you to get your system back up and running with minimal downtime.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eBuilt-In Safety and Diagnostic Features\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe control board includes a range of built-in safety features and diagnostics to protect your heat pump from potential damage and ensure smooth operation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverload Protection\u003c\/strong\u003e: Prevents electrical overloads by shutting down the system when needed, protecting your components from potential damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh\/Low Voltage Protection\u003c\/strong\u003e: Safeguards the system from damage due to power fluctuations, automatically adjusting performance when needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFault Detection\u003c\/strong\u003e: The control board continually monitors system performance, and in the event of a malfunction, displays an error code that helps you or a technician quickly identify and resolve issues.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eDurable and Reliable Construction\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eDesigned to withstand the rigors of everyday operation, this control board is manufactured with high-quality components that offer long-lasting durability. Its robust design ensures the board can handle the electrical demands of your MrCool heat pump system without faltering.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Quality Components\u003c\/strong\u003e: Built from premium electronic parts, this control board is engineered for longevity, ensuring that it continues to perform even under extended use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Performance\u003c\/strong\u003e: Tested to ensure maximum reliability, this control board is capable of managing the heat pump’s operational requirements, reducing the risk of breakdowns or operational issues.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eEasy Maintenance and Troubleshooting\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe control board also simplifies maintenance by providing clear diagnostic readouts. If your heat pump encounters an issue, the control board will display an error code, giving you or a technician a clear direction for troubleshooting.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eError Code Display\u003c\/strong\u003e: Quickly identifies potential issues, allowing for easier and faster troubleshooting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance-Friendly\u003c\/strong\u003e: Designed to integrate with the system in a way that allows for simple maintenance checks without the need for extensive technical knowledge.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy Choose the MrCool Control Board for DIY-12-HP-C-115C25?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWhen it comes to managing the functionality and efficiency of your \u003cstrong\u003eMrCool DIY Ductless Heat Pump\u003c\/strong\u003e, the control board is critical. It ensures that the unit is functioning at optimal levels, regulating temperature, airflow, and system diagnostics to deliver the comfort and energy efficiency MrCool systems are known for.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Integration\u003c\/strong\u003e: Works flawlessly with the DIY-12-HP-C-115C25 heat pump, maintaining your system’s efficiency and reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy-Saving\u003c\/strong\u003e: Reduces unnecessary energy consumption by optimizing the performance of the compressor and fan.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-Term Reliability\u003c\/strong\u003e: Manufactured with durability in mind, this control board will continue delivering high performance over the lifespan of your unit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number\u003c\/strong\u003e: 17222000039290 Compatible with DIY-12-HP-C-115C25\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility\u003c\/strong\u003e: Exclusively designed for MrCool DIY-12-HP-C-115C25 ductless heat pump systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower\u003c\/strong\u003e: Designed to operate within the electrical specifications of the DIY-12-HP-C-115C25\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures\u003c\/strong\u003e: Overload protection, high\/low voltage management, fault detection and diagnostics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eConclusion\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eControl Board for MrCool Ductless Heat Pump Condenser DIY-12-HP-C-115C25\u003c\/strong\u003e is an essential component for maintaining the performance, efficiency, and reliability of your MrCool DIY system. Built to exacting standards, it offers seamless integration, advanced diagnostic capabilities, and built-in safety features to ensure your system runs smoothly year-round. Whether you're replacing a faulty board or upgrading your system, this control board is an investment in the longevity and efficiency of your HVAC system.\u003c\/p\u003e\n\u003cp\u003eFor easy installation, enhanced system performance, and long-term reliability, choose the \u003cstrong\u003eMrCool DIY Control Board\u003c\/strong\u003e and keep your home comfortable no matter the season.\u003c\/p\u003e","brand":"Control Board","offers":[{"title":"Default Title","offer_id":49415840661821,"sku":"17222000039290","price":251.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/8069\/6893\/files\/Control_Board_for_MrCool_Ductless_Heat_Pump_Condenser_DIY-12-HP-C-115C25_-_-4483727.jpg?v=1750184624"},{"product_id":"control-board-for-mrcool-ductless-heat-pump-condenser-fits-diy-24-hp-c-230c25-and-central-ducted-24k-condenser","title":"Control Board for MrCool Ductless Heat Pump Condenser, fits DIY-24-HP-C-230C25 and Central Ducted 24k Condenser","description":"\u003cp\u003eEnsure your \u003cstrong\u003eMRCOOL ductless system\u003c\/strong\u003e operates at peak efficiency with this \u003cstrong\u003egenuine MRCOOL replacement control board\u003c\/strong\u003e, specifically designed for the \u003cstrong\u003eDIY-24-HP-C-230C25\u003c\/strong\u003e and \u003cstrong\u003eCentral Ducted 24k Condenser\u003c\/strong\u003e models. Featuring part number \u003cstrong\u003e17222000037115\u003c\/strong\u003e, this control board manages the essential functions of your heat pump condenser, providing reliable, efficient performance that keeps your HVAC system running smoothly.\u003c\/p\u003e\n\u003cp\u003eEngineered for precision, this control board ensures your system delivers consistent comfort while optimizing energy usage. Whether you're replacing a faulty component or upgrading your system, this control board is crucial for maintaining the longevity and reliability of your MRCOOL system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrecise Compatibility:\u003c\/strong\u003e Specifically designed for the DIY-24-HP-C-230C25 and Central Ducted 24k Condenser models, ensuring seamless integration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEfficient Operation:\u003c\/strong\u003e Controls vital functions to enhance the reliability and efficiency of your MRCOOL heat pump system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Made with high-quality materials to ensure long-lasting performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVersatile Fitment:\u003c\/strong\u003e May also be compatible with other MRCOOL models or even other brands—contact us to verify compatibility before purchasing for other systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Notes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe image may represent a stock photo and may not reflect the exact appearance of the product.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAs the \u003cstrong\u003eUSA’s most reliable source for authentic MRCOOL parts\u003c\/strong\u003e, \u003cstrong\u003eMRCOOL DIY Direct\u003c\/strong\u003e offers fast, dependable service and high-quality components to ensure your HVAC system performs at its best. Keep your system running smoothly by ordering from the \u003cstrong\u003e#1 MRCOOL dealer\u003c\/strong\u003e today!\u003c\/p\u003e","brand":"24k Control Board","offers":[{"title":"Default Title","offer_id":49494022193469,"sku":"17222000037115","price":430.54,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/8069\/6893\/files\/Control_Board_for_MrCool_Ductless_Heat_Pump_Condenser_fits_DIY-24-HP-C-230C25_and_Central_Ducted_24k_Condenser_-_-5138862.jpg?v=1750184752"},{"product_id":"control-board-diy-36k-a","title":"Replacement Outdoor Condenser Control Board Sub-Assembly for MRCOOL DIY 36k Condenser - SKU: 17122000A16147","description":"\u003cp\u003e\u003cstrong\u003eReplacement Outdoor Condenser Control Board Sub-Assembly, SKU: 17122000A16147 – Compatible with DIY-36-HP-C-230A\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eKeep your MRCOOL DIY system running at peak efficiency with this Replacement Outdoor Condenser Control Board Sub-Assembly, specifically designed to fit early models of the DIY 36k Condenser, model numbers ending in \"A\". This control board ensures reliable, consistent operation, helping you maintain ideal temperatures year-round.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-Specific Fit:\u003c\/strong\u003e This control board is an exact replacement part for the DIY-36-HP-C-230A, designed for optimal compatibility and performance with your MRCOOL DIY system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Control:\u003c\/strong\u003e Regulates the operation of your outdoor condenser, ensuring your unit performs efficiently and reliably.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrusted MRCOOL Dealer:\u003c\/strong\u003e Purchase with confidence from MRCOOL DIY Direct, the USA's most trusted source for MRCOOL parts and DIY HVAC systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Information:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Returns on Electrical Components:\u003c\/strong\u003e For safety and quality assurance, control boards and electrical components are non-returnable. Please be certain of compatibility before purchasing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStock Images for Reference Only:\u003c\/strong\u003e Product images may be representative; we dispatch based on your model number to ensure correct compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomer Support:\u003c\/strong\u003e Not sure if this part fits your unit? Call our knowledgeable support team at 417-291-9921 for assistance before placing your order.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRestore your system’s functionality with genuine MRCOOL parts, only from MRCOOL DIY Direct!\u003c\/p\u003e","brand":"Control Board","offers":[{"title":"Default Title","offer_id":49550506131773,"sku":"17122000A16147","price":255.44,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/8069\/6893\/files\/mrcool-diy-36k-condenser-control-board-17122000A16147.jpg?v=1750184883"},{"product_id":"outdoor-condenser-control-board-subassembly-for-mrcool-1st-generation-diy-24-hp-230a","title":"Outdoor Condenser Control Board Subassembly for MRCOOL 1st Generation DIY-24-HP-230A \u0026 AE","description":"\u003cp\u003e\u003cstrong\u003eRestore and maintain peak performance\u003c\/strong\u003e for your MRCOOL DIY system with this \u003cstrong\u003eGenuine MRCOOL Outdoor Condenser Control Board Subassembly\u003c\/strong\u003e, designed for the \u003cstrong\u003e1st Generation DIY-24-HP-230A and DIY-24-HP-230AE\u003c\/strong\u003e. This replacement part ensures \u003cstrong\u003eseamless integration, reliable system communication, and efficient operation\u003c\/strong\u003e of your outdoor condenser unit.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e✅ \u003cstrong\u003eOEM MRCOOL Replacement Part\u003c\/strong\u003e – Designed specifically for \u003cstrong\u003eMRCOOL 1st Generation DIY-24-HP-230A \u0026amp; DIY-24-HP-230AE\u003c\/strong\u003e condensers.\u003cbr\u003e✅ \u003cstrong\u003eRestores Full System Functionality\u003c\/strong\u003e – Controls key outdoor condenser operations to maintain optimal heating and cooling performance.\u003cbr\u003e✅ \u003cstrong\u003eUniversal Compatibility Potential\u003c\/strong\u003e – May be compatible with other brands and models; \u003cstrong\u003econtact us to verify fitment\u003c\/strong\u003e.\u003cbr\u003e✅ \u003cstrong\u003eReliable \u0026amp; Durable\u003c\/strong\u003e – Manufactured with high-quality components to ensure \u003cstrong\u003elong-lasting performance and system stability\u003c\/strong\u003e.\u003cbr\u003e✅ \u003cstrong\u003eStock Images Used\u003c\/strong\u003e – Product appearance may vary slightly due to updates in stock availability.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e✔ \u003cstrong\u003eDesigned for:\u003c\/strong\u003e \u003cstrong\u003eMRCOOL 1st Generation DIY-24-HP-230A \u0026amp; DIY-24-HP-230AE\u003c\/strong\u003e\u003cbr\u003e✔ \u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e Manufacturer-specified subassembly for outdoor condenser control\u003cbr\u003e✔ \u003cstrong\u003ePotential Cross-Compatibility:\u003c\/strong\u003e May fit additional HVAC brands \u0026amp; models (verification required)\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy Choose Genuine MRCOOL Replacement Parts?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eUsing \u003cstrong\u003eauthentic MRCOOL replacement parts\u003c\/strong\u003e ensures:\u003cbr\u003e✔ \u003cstrong\u003eCorrect system operation and performance\u003c\/strong\u003e\u003cbr\u003e✔ \u003cstrong\u003eGuaranteed compatibility with MRCOOL DIY units\u003c\/strong\u003e\u003cbr\u003e✔ \u003cstrong\u003eLong-term durability and reliability\u003c\/strong\u003e\u003cbr\u003e✔ \u003cstrong\u003eWarranty compliance when using OEM parts\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eImportant Notes:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e⚠️ \u003cstrong\u003eCheck Your Model Number!\u003c\/strong\u003e – Designed for \u003cstrong\u003e1st Generation MRCOOL DIY-24-HP-230A \u0026amp; DIY-24-HP-230AE\u003c\/strong\u003e models. If your model is not listed, \u003cstrong\u003eplease verify compatibility before purchasing\u003c\/strong\u003e.\u003cbr\u003e⚠️ \u003cstrong\u003eStock images may be used\u003c\/strong\u003e – Actual product may differ slightly from the displayed image.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eOrder with Confidence from MRCOOL DIY Direct!\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAs \u003cstrong\u003ethe USA’s most trusted independent MRCOOL dealer\u003c\/strong\u003e, MRCOOL DIY Direct provides:\u003cbr\u003e✔ \u003cstrong\u003eExpert technical support\u003c\/strong\u003e to help with compatibility questions\u003cbr\u003e✔ \u003cstrong\u003eFast, secure nationwide shipping\u003c\/strong\u003e\u003cbr\u003e✔ \u003cstrong\u003eGuaranteed genuine OEM parts\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e🔹 \u003cstrong\u003eGet your MRCOOL Outdoor Condenser Control Board Subassembly today and keep your system running smoothly!\u003c\/strong\u003e\u003c\/p\u003e","brand":"24k Control Board","offers":[{"title":"Default Title","offer_id":49593849512253,"sku":"17222000A43489","price":381.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/8069\/6893\/files\/mrcool-diy-outdoor-condenser-control-board-subassembly.jpg?v=1750184777"},{"product_id":"control-board-sub-assembly-diy-24-hp-c-230b","title":"Control Board Sub-Assembly for MRCOOL DIY-24-HP-C-230B Ductless Heat Pump Condenser","description":"\u003cp\u003e\u003cstrong\u003eControl Board Sub-Assembly for MRCOOL DIY-24-HP-C-230B Ductless Heat Pump Condenser\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eKeep your MRCOOL ductless heat pump running at peak performance with the \u003cstrong\u003eControl Board Sub-Assembly\u003c\/strong\u003e designed specifically for the \u003cstrong\u003eMRCOOL DIY-24-HP-C-230B condenser model\u003c\/strong\u003e. This genuine MRCOOL replacement part ensures compatibility and seamless integration with your DIY 24k BTU heat pump system, making it the perfect solution for restoring functionality and reliability.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eProduct Features:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-Approved Quality\u003c\/strong\u003e: Manufactured to meet MRCOOL’s exact specifications, ensuring a perfect fit and optimal performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Reliability\u003c\/strong\u003e: Replaces damaged or malfunctioning control boards to restore consistent operation, energy efficiency, and system dependability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIY-Compatible\u003c\/strong\u003e: Designed for MRCOOL’s signature DIY systems, allowing for straightforward installation without professional assistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Design\u003c\/strong\u003e: Engineered with high-quality components for long-lasting performance, even under demanding HVAC conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Integration\u003c\/strong\u003e: Works exclusively with the MRCOOL DIY-24-HP-C-230B heat pump condenser, preserving your system’s advanced features, including inverter technology and energy-efficient heating and cooling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy Choose MRCOOL DIY Direct?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWhen it comes to replacing HVAC components, trust the \u003cstrong\u003eUSA’s most trusted source\u003c\/strong\u003e, MRCOOL DIY Direct. We specialize in genuine MRCOOL parts, ensuring you receive only authentic, high-quality products to maintain your system's integrity. Our commitment to customer satisfaction includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast, Secure Shipping\u003c\/strong\u003e: Enjoy expedited delivery with every order.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpert Support\u003c\/strong\u003e: Our team is ready to assist with installation advice and troubleshooting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeace of Mind\u003c\/strong\u003e: Every product is backed by our reputation for reliability and excellence.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Name\u003c\/strong\u003e: Control Board Sub-Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Model\u003c\/strong\u003e: MRCOOL DIY-24-HP-C-230B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Replacement part for ductless heat pump condenser\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation\u003c\/strong\u003e: User-friendly for DIY enthusiasts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eRestore Comfort to Your Home\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eDon’t let a faulty control board compromise your home’s comfort. Order your \u003cstrong\u003eControl Board Sub-Assembly for the MRCOOL DIY-24-HP-C-230B\u003c\/strong\u003e today and get back to enjoying efficient, dependable heating and cooling. Shop now at \u003cstrong\u003eMRCOOL DIY Direct\u003c\/strong\u003e and experience the best in HVAC replacement parts and customer care!\u003c\/p\u003e","brand":"24k Control Board","offers":[{"title":"Default Title","offer_id":49624220205373,"sku":"17222000031069","price":355.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/8069\/6893\/files\/control-board-installed-mrcool-diy-24-hp-c-230b.jpg?v=1750186528"},{"product_id":"36k-air-handler-control-board","title":"Electronic Control Box Subassembly for MRCOOL Wall Mounted Air Handler DIY-36-HP-WMAH-230AE","description":"\u003ch3\u003eElectronic Control Box Subassembly for MRCOOL Wall Mounted Air Handler DIY-36-HP-WMAH-230AE\u003c\/h3\u003e\n\u003cp\u003eEnsure seamless performance and reliability with the \u003cstrong\u003eElectronic Control Box Subassembly\u003c\/strong\u003e designed specifically for the \u003cstrong\u003eMRCOOL Wall Mounted Air Handler DIY-36-HP-WMAH-230AE\u003c\/strong\u003e. This high-quality replacement part is engineered to provide precise control over your air handler’s operations, ensuring optimal comfort and energy efficiency in your home. Whether you’re maintaining, repairing, or upgrading your MRCOOL system, this control box subassembly is a vital component to keep your HVAC system running smoothly.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact Fit for DIY-36-HP-WMAH-230AE\u003c\/strong\u003e: Designed to integrate perfectly with this MRCOOL model, ensuring hassle-free installation and peak compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMay Fit Other Models\u003c\/strong\u003e: While designed for the MRCOOL DIY-36 series, this control box may also be compatible with other makes and models. Please consult the specifications or contact our support team to verify compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Quality Construction\u003c\/strong\u003e: Manufactured to meet MRCOOL’s rigorous quality standards, ensuring durability and dependable performance in various operating conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation\u003c\/strong\u003e: Replace your existing control box with minimal effort, thanks to the user-friendly design.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type\u003c\/strong\u003e: Electronic Control Box Subassembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Model\u003c\/strong\u003e: DIY-36-HP-WMAH-230AE (and potentially others)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunctionality\u003c\/strong\u003e: Controls key operations of the wall-mounted air handler, ensuring system reliability and comfort optimization.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eWhy Choose MRCOOL DIY Direct?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eAs the \u003cstrong\u003eUSA’s most trusted MRCOOL dealer\u003c\/strong\u003e, MRCOOL DIY Direct offers an extensive range of genuine MRCOOL parts, accessories, and equipment for your residential heating, furnace, and air conditioning needs. We specialize in providing top-notch products that empower homeowners to maintain and repair their HVAC systems with ease.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthentic Products\u003c\/strong\u003e: We source directly from MRCOOL to ensure you receive genuine, high-quality parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnmatched Support\u003c\/strong\u003e: Our knowledgeable team is always here to help you find the right components and provide guidance on installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Shipping Nationwide\u003c\/strong\u003e: Receive your parts quickly and securely with our reliable delivery service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eAdditional Notes:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStock Images\u003c\/strong\u003e: Product images may be representative and not specific to this part.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomer Support\u003c\/strong\u003e: Not sure if this part fits your system? Contact our support team for expert assistance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDiscover the ultimate convenience of shopping for residential heating, furnace, and air conditioner parts at \u003cstrong\u003eMRCOOL DIY Direct\u003c\/strong\u003e. Experience the perfect balance of comfort, quality, and savings with our trusted HVAC solutions.\u003c\/p\u003e","brand":"36k WMAH Control Board","offers":[{"title":"Default Title","offer_id":49669541724477,"sku":"17222000009480","price":193.64,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/8069\/6893\/files\/electronic-control-box-mrcool-diy36.jpg?v=1750186645"},{"product_id":"mrcool-replacement-condenser-control-board-subassembly-diy-36-c-hp-230a-p-n-17222000a64016","title":"MRCOOL Replacement Condenser Control Board Subassembly DIY-36-C-HP-230A (P\/N 17222000A64016)","description":"\u003cp\u003eKeep your MRCOOL DIY system running at peak efficiency with the MRCOOL Replacement Condenser Control Board Subassembly DIY-36-C-HP-230A.\u003c\/p\u003e\n\u003cp\u003eEngineered for precision and reliability, this genuine replacement part is specifically designed for the DIY-36-C-HP-230A condenser model, ensuring compatibility and optimal performance. Whether you're addressing a system fault or upgrading your unit, this high-quality control board subassembly is a must-have to maintain the long-term functionality of your MRCOOL system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel-Specific Fit:\u003c\/strong\u003e Designed for the MRCOOL DIY-36-C-HP-230A condenser unit for seamless integration and operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine MRCOOL Part\u003c\/strong\u003e: Manufactured to MRCOOL's high-quality standards, ensuring durability and reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Performance\u003c\/strong\u003e: Replaces worn or malfunctioning control boards to restore your system's efficiency and functionality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Compatibility\u003c\/strong\u003e: May fit other MRCOOL models and brands. Contact us for compatibility verification before purchasing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eStock Image Used: Product images may vary slightly due to stock photos.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e---\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number (P\/N):\u003c\/strong\u003e 17222000A64016\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDesigned For:\u003c\/strong\u003e DIY-36-C-HP-230A\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-durability components to withstand regular use and environmental factors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e: Brand new, direct from MRCOOL.\u003c\/p\u003e\n\u003cp\u003e---\u003cem\u003e\u003cstrong\u003eWhy Choose MRCOOL DIY Direct?\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eAs the USA's most trusted MRCOOL dealer, MRCOOL DIY Direct is committed to providing genuine replacement parts and exceptional customer service. Every product we sell is backed by our expertise and dedication to helping you get the most out of your MRCOOL system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFast Shipping\u003c\/strong\u003e: Orders processed and shipped quickly for minimal downtime.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCustomer Support\u003c\/strong\u003e: Our knowledgeable team is available to verify compatibility and answer any questions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePeace of Mind\u003c\/strong\u003e: Purchase genuine MRCOOL parts to ensure lasting performance and warranty compliance.\u003c\/p\u003e\n\u003cp\u003e---\u003cstrong\u003eNot sure if this part fits your system? \u003ca href=\"https:\/\/mrcooldiydirect.com\/pages\/contact\" target=\"_blank\" title=\"contact information for mrcool diy direct mrcool parts nationwide supplier\" rel=\"noopener\"\u003eContact us today!\u003c\/a\u003e Our team will help you verify compatibility to ensure you get the right replacement part for your needs.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOrder your MRCOOL Replacement Condenser Control Board Subassembly DIY-36-C-HP-230A (P\/N 17222000A64016) today from MRCOOL DIY Direct, and keep your system performing like new!\u003c\/p\u003e","brand":"Control Board","offers":[{"title":"Default Title","offer_id":49720212128061,"sku":"17222000A64016","price":321.36,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/8069\/6893\/files\/17222000035619mrcool01.jpg?v=1750187123"},{"product_id":"electronic-control-box-diy-18-hp-wmah-230ae","title":"Electronic Control Box Subassembly for MrCool DIY-18-HP-WMAH-230AE Wall Mounted Air Handler","description":"\u003cp\u003eGenuine MRCOOL Replacement Parts: Electronic Control Box Subassembly for MrCool DIY-18-HP-WMAH-230AE Wall Mounted Air Handler\u003c\/p\u003e\n\u003cp\u003eEnsure your MRCOOL DIY-18-HP-WMAH-230AE Wall Mounted Air Handler runs at peak efficiency with this genuine MRCOOL Electronic Control Box Subassembly.\u003c\/p\u003e\n\u003cp\u003eDesigned specifically for your MRCOOL DIY system, this replacement part is essential for maintaining the reliable performance and advanced functionality of your air handler.\u003c\/p\u003e\n\u003cp\u003eThe control box subassembly manages the precise control of your unit, ensuring optimal climate regulation and energy efficiency.\u003c\/p\u003e\n\u003cp\u003eEasy to install and engineered for durability, this replacement part guarantees that your MRCOOL system continues to deliver superior comfort and efficiency.\u003c\/p\u003e\n\u003cp\u003eKeep your DIY system operating smoothly with this high-quality MRCOOL replacement component.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1. **Genuine MRCOOL Part**: Specifically designed for the MRCOOL DIY-18-HP-WMAH-230AE Wall Mounted Air Handler, ensuring compatibility and optimal performance.\u003c\/p\u003e\n\u003cp\u003e2. **Precision Control**: Manages the critical electronic functions of your air handler, maintaining precise climate control and energy efficiency.\u003c\/p\u003e\n\u003cp\u003e3. **Durable Construction**: Built with high-quality materials for long-lasting reliability, even in demanding conditions.\u003c\/p\u003e\n\u003cp\u003e4. **Easy Installation**: Designed for straightforward replacement, allowing DIY enthusiasts to quickly and effectively swap out the old control box.\u003c\/p\u003e\n\u003cp\u003e5. **Enhanced System Performance**: Helps maintain the overall efficiency and functionality of your MRCOOL air handler, ensuring consistent comfort.\u003c\/p\u003e\n\u003cp\u003e6. **Optimized for MRCOOL DIY Systems**: Perfectly complements the features and capabilities of the MRCOOL DIY-18-HP-WMAH-230AE, supporting seamless operation and integration.\u003c\/p\u003e\n\u003cp\u003e7. **Warranty Protection**: Backed by MRCOOL's commitment to quality, ensuring peace of mind with every replacement. \u003c\/p\u003e\n\u003cp\u003e8. **Energy Efficiency**: Supports the energy-saving features of your MRCOOL system, helping reduce operational costs while maintaining comfort.\u003c\/p\u003e","brand":"Control Board","offers":[{"title":"Default Title","offer_id":49767738376509,"sku":"17122000018658","price":209.09,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/8069\/6893\/files\/Electronic_Control_Box_Subassembly_for_MrCool_DIY-36-HP-WMAH-230B_Wall_Mounted_Air_Handler_-_-4484410.jpg?v=1750184393"},{"product_id":"control-board-sub-assembly-diy-multi4-36hp230","title":"Genuine MRCOOL Main Control Board Sub-Assembly for DIY-MULTI4-36HP230 Outdoor Unit","description":"\u003ch3\u003e\u003cstrong\u003eGenuine MRCOOL Main Control Board Sub-Assembly for DIY-MULTI4-36HP230 Outdoor Unit | Part Number 17222300A02931\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4\u003e\u003cstrong\u003eBuy Direct from the USA’s Most Trusted MRCOOL Dealer – MRCOOL DIY Direct\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eEnsure your MRCOOL DIY Multi-Zone system operates at peak performance with this \u003cstrong\u003egenuine MRCOOL Main Control Board Sub-Assembly (Part Number 17222300A02931)\u003c\/strong\u003e, specifically designed for the \u003cstrong\u003eDIY-MULTI4-36HP230\u003c\/strong\u003e outdoor unit. This is the \u003cstrong\u003eearlier generation\u003c\/strong\u003e control board, compatible with units that do \u003cstrong\u003enot\u003c\/strong\u003e have a \"C\" at the end of the model number.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e✅ \u003cstrong\u003eOEM Replacement Part\u003c\/strong\u003e – Designed by MRCOOL for perfect fit and function.\u003cbr\u003e ✅ \u003cstrong\u003eCompatible with DIY-MULTI4-36HP230\u003c\/strong\u003e – Works with earlier model versions (non-\"C\" variant).\u003cbr\u003e ✅ \u003cstrong\u003eControls Essential System Functions\u003c\/strong\u003e – Manages compressor operation, refrigerant flow, and communication between components.\u003cbr\u003e ✅ \u003cstrong\u003eRestores Optimal Performance\u003c\/strong\u003e – Fixes issues related to system malfunctions, startup failures, or communication errors.\u003cbr\u003e ✅ \u003cstrong\u003ePlug-and-Play Design\u003c\/strong\u003e – Engineered for straightforward installation by experienced DIYers or HVAC professionals.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy Buy from MRCOOL DIY Direct?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e🔹 \u003cstrong\u003eAuthorized MRCOOL Dealer\u003c\/strong\u003e – Buy with confidence from the USA’s most trusted MRCOOL retailer.\u003cbr\u003e 🔹 \u003cstrong\u003eStocked \u0026amp; Shipped from the USA\u003c\/strong\u003e – Fast shipping ensures minimal downtime.\u003cbr\u003e 🔹 \u003cstrong\u003eExpert Customer Support\u003c\/strong\u003e – Get assistance from knowledgeable HVAC professionals.\u003cbr\u003e 🔹 \u003cstrong\u003eGuaranteed Genuine Parts\u003c\/strong\u003e – No third-party knockoffs—just 100% authentic MRCOOL components.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eImportant Notes:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis control board is \u003cstrong\u003eonly compatible with DIY-MULTI4-36HP230 models\u003c\/strong\u003e (without \"C\"). If you have the newer \u003cstrong\u003eDIY-MULTI4-36HP230C\u003c\/strong\u003e, this part will \u003cstrong\u003enot\u003c\/strong\u003e be compatible.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended if you are unfamiliar with HVAC electrical components.\u003c\/li\u003e\n\u003cli\u003eAlways \u003cstrong\u003eturn off power\u003c\/strong\u003e before attempting to replace the control board.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eOrder Today \u0026amp; Keep Your MRCOOL DIY System Running Like New!\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eDon’t let a faulty control board disrupt your home comfort. Purchase your \u003cstrong\u003egenuine MRCOOL Main Control Board Sub-Assembly (17222300A02931)\u003c\/strong\u003e today from \u003cstrong\u003eMRCOOL DIY Direct\u003c\/strong\u003e, the \u003cstrong\u003enationwide leader in MRCOOL HVAC solutions\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e📦 Fast Shipping | 🔧 Genuine Replacement Parts| 🛠️ Expert Support\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eShop with Confidence – MRCOOL DIY Direct Has You Covered!\u003c\/strong\u003e\u003c\/h4\u003e","brand":"MRCOOL DIY Direct","offers":[{"title":"Default Title","offer_id":49946238353725,"sku":"17222300A02931","price":610.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/8069\/6893\/files\/hap12517-bi-02.jpg?v=1750188044"},{"product_id":"air-handler-control-board-diy-12-hp-wmah-230b","title":"Genuine MRCOOL Indoor Wall Mounted Air Handler Control Board – DIY-12-HP-WMAH-230B Replacement Part","description":"\u003cp data-end=\"1043\" data-start=\"733\"\u003eEnsure optimal performance of your \u003cstrong data-end=\"815\" data-start=\"768\"\u003eMRCOOL DIY 12K BTU Wall Mounted Air Handler\u003c\/strong\u003e with this \u003cstrong data-end=\"870\" data-start=\"826\"\u003eGenuine MRCOOL Replacement Control Board\u003c\/strong\u003e. Designed specifically for \u003cstrong data-end=\"921\" data-start=\"898\"\u003eDIY-12-HP-WMAH-230B\u003c\/strong\u003e models, this \u003cstrong data-end=\"956\" data-start=\"935\"\u003eOEM control board\u003c\/strong\u003e provides the necessary functionality to regulate your mini-split system efficiently.\u003c\/p\u003e\n\u003ch3 data-end=\"1079\" data-start=\"1045\"\u003e\u003cstrong data-end=\"1077\" data-start=\"1049\"\u003eKey Features \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-end=\"1598\" data-start=\"1080\"\u003e\n\u003cstrong data-end=\"1113\" data-start=\"1082\"\u003eOEM MRCOOL Replacement Part\u003c\/strong\u003e – Ensures 100% compatibility with \u003cstrong data-end=\"1171\" data-start=\"1148\"\u003eDIY-12-HP-WMAH-230B\u003c\/strong\u003e air handlers.\u003cbr data-end=\"1188\" data-start=\"1185\"\u003e\u003cstrong data-end=\"1214\" data-start=\"1190\"\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1598\" data-start=\"1080\"\u003e\n\u003cstrong data-end=\"1214\" data-start=\"1190\"\u003eReliable Performance\u003c\/strong\u003e – Controls essential air handler functions for efficient heating and cooling.\u003cbr data-end=\"1295\" data-start=\"1292\"\u003e\u003cstrong data-end=\"1323\" data-start=\"1297\"\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1598\" data-start=\"1080\"\u003e\n\u003cstrong data-end=\"1323\" data-start=\"1297\"\u003eGenuine MRCOOL Quality\u003c\/strong\u003e – Manufactured to meet factory specifications for durability and performance.\u003cbr data-end=\"1404\" data-start=\"1401\"\u003e\u003cstrong data-end=\"1436\" data-start=\"1406\"\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1598\" data-start=\"1080\"\u003e\n\u003cstrong data-end=\"1436\" data-start=\"1406\"\u003ePlug-and-Play Installation\u003c\/strong\u003e – Designed for easy replacement in compatible models.\u003cbr data-end=\"1493\" data-start=\"1490\"\u003e\u003cstrong data-end=\"1524\" data-start=\"1495\"\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1598\" data-start=\"1080\"\u003e\n\u003cstrong data-end=\"1524\" data-start=\"1495\"\u003eAuthorized Dealer Support\u003c\/strong\u003e – Buy from \u003cstrong data-end=\"1557\" data-start=\"1536\"\u003eMRCOOL DIY Direct\u003c\/strong\u003e, the USA’s most trusted MRCOOL dealer.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"1633\" data-start=\"1600\"\u003e\u003cstrong data-end=\"1631\" data-start=\"1604\"\u003eProduct Specifications:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-end=\"1857\" data-start=\"1634\"\u003e\n\u003cli data-end=\"1655\" data-start=\"1634\"\u003e\n\u003cstrong data-end=\"1646\" data-start=\"1636\"\u003eBrand:\u003c\/strong\u003e MRCOOL\u003c\/li\u003e\n\u003cli data-end=\"1720\" data-start=\"1656\"\u003e\n\u003cstrong data-end=\"1672\" data-start=\"1658\"\u003ePart Name:\u003c\/strong\u003e Indoor Wall Mounted Air Handler Control Board\u003c\/li\u003e\n\u003cli data-end=\"1769\" data-start=\"1721\"\u003e\n\u003cstrong data-end=\"1747\" data-start=\"1723\"\u003eModel Compatibility:\u003c\/strong\u003e DIY-12-HP-WMAH-230B\u003c\/li\u003e\n\u003cli data-end=\"1797\" data-start=\"1770\"\u003e\n\u003cstrong data-end=\"1780\" data-start=\"1772\"\u003eSKU:\u003c\/strong\u003e 17222000032579\u003c\/li\u003e\n\u003cli data-end=\"1857\" data-start=\"1798\"\u003e\n\u003cstrong data-end=\"1814\" data-start=\"1800\"\u003eCondition:\u003c\/strong\u003e \u003cstrong data-end=\"1855\" data-start=\"1815\"\u003eNew, Genuine MRCOOL Replacement Part\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"1885\" data-start=\"1859\"\u003e\u003cstrong data-end=\"1883\" data-start=\"1863\"\u003eImportant Notes:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-end=\"2260\" data-start=\"1886\"\u003e\n\u003cstrong data-end=\"1917\" data-start=\"1889\"\u003eStock Images May Be Used\u003c\/strong\u003e – Actual product may vary slightly from images displayed.\u003cbr data-end=\"1978\" data-start=\"1975\"\u003e\u003cstrong data-end=\"2022\" data-start=\"1981\"\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2260\" data-start=\"1886\"\u003e\n\u003cstrong data-end=\"2022\" data-start=\"1981\"\u003eProfessional Installation Recommended\u003c\/strong\u003e – While this part is designed for DIY systems, always follow MRCOOL’s \u003cstrong data-end=\"2120\" data-start=\"2093\"\u003einstallation guidelines\u003c\/strong\u003e for best results.\u003cbr data-end=\"2141\" data-start=\"2138\"\u003e\u003cstrong data-end=\"2167\" data-start=\"2144\"\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2260\" data-start=\"1886\"\u003e\n\u003cstrong data-end=\"2167\" data-start=\"2144\"\u003eNon-Returnable Item\u003c\/strong\u003e – Due to the nature of electronic components, please verify compatibility before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"2294\" data-start=\"2262\"\u003e\u003cstrong data-end=\"2292\" data-start=\"2266\"\u003eNeed Help? Contact Us!\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"2480\" data-start=\"2295\"\u003eIf you have any questions about the \u003cstrong data-end=\"2375\" data-start=\"2331\"\u003eMRCOOL DIY-12-HP-WMAH-230B Control Board\u003c\/strong\u003e, please \u003ca rel=\"noopener\" title=\"contact mrcool diy direct for your genuine mrcool hvac replacement parts shipped nationwide\" href=\"https:\/\/mrcooldiydirect.com\/pages\/contact\" target=\"_blank\"\u003ecall us to speak with a \u003cstrong data-end=\"2443\" data-start=\"2408\"\u003ecustomer service representative\u003c\/strong\u003e.\u003c\/a\u003e They will be happy to assist you!\u003c\/p\u003e\n\u003cp data-end=\"2605\" data-start=\"2482\"\u003eAs always, purchase your \u003cstrong data-end=\"2537\" data-start=\"2507\"\u003eMRCOOL parts and equipment\u003c\/strong\u003e from \u003cstrong data-end=\"2564\" data-start=\"2543\"\u003eMRCOOL DIY Direct\u003c\/strong\u003e, the USA’s most trusted MRCOOL dealer.\u003c\/p\u003e","brand":"Air Handler Control Board","offers":[{"title":"Default Title","offer_id":49979243725117,"sku":"17222000032579","price":172.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/8069\/6893\/files\/mrcool-diy12-air-handler-control-board-17222000032579.jpg?v=1750188069"},{"product_id":"mrcool-diy-36-hp-c-230c25-condenser-control-board","title":"MRCOOL Replacement Control Board Sub Assembly for DIY-36-HP-C-230C25 Ductless Heat Pump Condenser | Genuine OEM Part","description":"\u003cp data-start=\"632\" data-end=\"895\"\u003eKeep your \u003cstrong data-start=\"642\" data-end=\"700\"\u003eMRCOOL DIY-36-HP-C-230C25 Ductless Heat Pump Condenser\u003c\/strong\u003e running efficiently with this \u003cstrong data-start=\"731\" data-end=\"781\"\u003egenuine replacement control board sub assembly\u003c\/strong\u003e. Designed specifically for your system, this OEM part ensures proper operation, communication, and performance.\u003c\/p\u003e\n\u003ch3 data-start=\"897\" data-end=\"1379\"\u003e\u003cstrong data-start=\"900\" data-end=\"917\"\u003eKey Features:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"897\" data-end=\"1379\"\u003e\u003cstrong data-start=\"922\" data-end=\"957\"\u003eGenuine MRCOOL Replacement Part\u003c\/strong\u003e – Engineered for exact compatibility with your unit.\u003cbr data-start=\"1010\" data-end=\"1013\"\u003e\u003cstrong data-start=\"1015\" data-end=\"1047\"\u003eOptimized System Performance\u003c\/strong\u003e – Controls and regulates essential condenser functions.\u003cbr data-start=\"1103\" data-end=\"1106\"\u003e\u003cstrong data-start=\"1108\" data-end=\"1136\"\u003ePre-Tested OEM Component\u003c\/strong\u003e – Manufactured to MRCOOL factory specifications.\u003cbr data-start=\"1185\" data-end=\"1188\"\u003e\u003cstrong data-start=\"1190\" data-end=\"1211\"\u003eNo Returns Policy\u003c\/strong\u003e – Due to the nature of control boards, all sales are final.\u003cbr data-start=\"1271\" data-end=\"1274\"\u003e\u003cstrong data-start=\"1276\" data-end=\"1297\"\u003eBuy from the Best\u003c\/strong\u003e – \u003cstrong data-start=\"1300\" data-end=\"1321\"\u003eMRCOOL DIY Direct\u003c\/strong\u003e is the USA’s most trusted MRCOOL and HVAC parts dealer.\u003c\/p\u003e\n\u003ch3 data-start=\"1381\" data-end=\"1404\"\u003e\u003cstrong data-start=\"1384\" data-end=\"1402\"\u003eCompatibility:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1405\" data-end=\"1502\"\u003e\n\u003cli data-start=\"1405\" data-end=\"1474\"\u003eModel: \u003cstrong data-start=\"1414\" data-end=\"1472\"\u003eMRCOOL DIY-36-HP-C-230C25 Ductless Heat Pump Condenser\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1475\" data-end=\"1502\"\u003eSKU: \u003cstrong data-start=\"1482\" data-end=\"1500\"\u003e17222000036999\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1504\" data-end=\"1530\"\u003e⚠️ \u003cstrong data-start=\"1507\" data-end=\"1528\"\u003eImportant Notice:\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul data-start=\"1531\" data-end=\"1776\"\u003e\n\u003cli data-start=\"1531\" data-end=\"1617\"\u003e\u003cstrong data-start=\"1533\" data-end=\"1615\"\u003eImages may be stock photos and may not exactly represent the part you receive.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"1618\" data-end=\"1711\"\u003e\n\u003cstrong data-start=\"1620\" data-end=\"1662\"\u003ePart fitment is based on model number.\u003c\/strong\u003e Please verify compatibility before purchasing.\u003c\/li\u003e\n\u003cli data-start=\"1712\" data-end=\"1776\"\u003e\n\u003cstrong data-start=\"1714\" data-end=\"1755\"\u003eNo returns accepted on control boards\u003c\/strong\u003e as per our policy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1778\" data-end=\"1909\"\u003e📦 \u003cstrong data-start=\"1781\" data-end=\"1809\"\u003eFast Shipping Available!\u003c\/strong\u003e\u003cbr data-start=\"1809\" data-end=\"1812\"\u003eOrder from \u003cstrong data-start=\"1823\" data-end=\"1844\"\u003eMRCOOL DIY Direct\u003c\/strong\u003e and receive your \u003cstrong data-start=\"1862\" data-end=\"1898\"\u003eMRCOOL replacement control board\u003c\/strong\u003e quickly.\u003c\/p\u003e","brand":"DIY-36-HP-C-230C25","offers":[{"title":"Default Title","offer_id":50018093171005,"sku":"17222000036999","price":420.24,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/8069\/6893\/files\/mrcool-diy-36-hp-c-230c25-control-board-front.jpg?v=1750188203"},{"product_id":"mrcool-control-board-17222000045470-diy-12hp-c-115d25-0","title":"MRCOOL 5th Gen Condenser Control Board Sub Assembly – DIY-12-HP-C-115D25-0 (PN: 17222000045470)","description":"\u003cp data-start=\"653\" data-end=\"1094\" class=\"\"\u003eRestore the performance of your MRCOOL system with this \u003cstrong data-start=\"736\" data-end=\"801\"\u003eGenuine MRCOOL 5th Gen Replacement Control Board Sub Assembly\u003c\/strong\u003e, part number \u003cstrong data-start=\"815\" data-end=\"833\"\u003e17222000045470\u003c\/strong\u003e. This OEM control board is designed for the \u003cstrong data-start=\"878\" data-end=\"902\"\u003eDIY-12-HP-C-115D25-0\u003c\/strong\u003e mini-split air handler (5th Generation, 115V, R-454B refrigerant) and manages essential system functions including fan operation, temperature control, and communication with the outdoor unit.\u003c\/p\u003e\n\u003cp data-start=\"1096\" data-end=\"1409\" class=\"\"\u003eWhile this part is \u003cstrong data-start=\"1115\" data-end=\"1165\"\u003eengineered for the MRCOOL DIY-12-HP-C-115D25-0\u003c\/strong\u003e, it \u003cstrong data-start=\"1170\" data-end=\"1237\"\u003emay also be compatible with other MRCOOL systems or HVAC brands\u003c\/strong\u003e that share similar control architecture. However, MRCOOL parts are model-specific, and we \u003cstrong data-start=\"1328\" data-end=\"1375\"\u003estrongly recommend confirming compatibility\u003c\/strong\u003e with your unit before purchasing.\u003c\/p\u003e\n\u003cp data-start=\"1411\" data-end=\"1751\" class=\"\"\u003e📌 \u003cstrong data-start=\"1414\" data-end=\"1444\"\u003eImportant Note on Returns:\u003c\/strong\u003e\u003cbr data-start=\"1444\" data-end=\"1447\"\u003eDue to the sensitive nature of electronic control boards, \u003cstrong data-start=\"1505\" data-end=\"1595\"\u003ethis item is not returnable without prior written authorization from MRCOOL DIY Direct\u003c\/strong\u003e. Compatibility is guaranteed only when matched with the correct model number. Stock images may be used and do not always reflect the exact item appearance.\u003c\/p\u003e\n\u003cp data-start=\"1758\" data-end=\"1771\" class=\"\"\u003e\u003cstrong data-start=\"1758\" data-end=\"1771\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1774\" data-end=\"1804\"\u003e✅ OEM Part #: 17222000045470\u003c\/li\u003e\n\u003cli data-start=\"1807\" data-end=\"1867\"\u003e✅ Designed for MRCOOL DIY-12-HP-C-115D25-0 (5th Gen, 115V)\u003c\/li\u003e\n\u003cli data-start=\"1870\" data-end=\"1931\"\u003e✅ Critical for indoor air handler control and communication\u003c\/li\u003e\n\u003cli data-start=\"1934\" data-end=\"2015\"\u003e✅ May be compatible with other MRCOOL models or brands – verify before purchase\u003c\/li\u003e\n\u003cli data-start=\"2018\" data-end=\"2073\"\u003e✅ Backed by MRCOOL DIY Direct’s expert customer support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2075\" data-end=\"2213\" class=\"\"\u003e\u003cstrong data-start=\"2075\" data-end=\"2093\"\u003eCompatibility:\u003c\/strong\u003e\u003cbr data-start=\"2093\" data-end=\"2096\"\u003e✔ Confirmed fit: MRCOOL DIY-12-HP-C-115D25-0\u003cbr data-start=\"2140\" data-end=\"2143\"\u003e❓ May fit other models—please contact us for guidance before ordering.\u003c\/p\u003e\n\u003cp data-start=\"2220\" data-end=\"2378\" class=\"\"\u003e\u003cstrong data-start=\"2220\" data-end=\"2241\"\u003eImage Disclaimer:\u003c\/strong\u003e\u003cbr data-start=\"2241\" data-end=\"2244\"\u003ePhotos may be generic or for reference only. Your actual part may differ. Always confirm \u003cstrong data-start=\"2333\" data-end=\"2359\"\u003emodel and part numbers\u003c\/strong\u003e before purchasing.\u003c\/p\u003e\n\u003cp data-start=\"2385\" data-end=\"2526\" class=\"\"\u003e\u003cstrong data-start=\"2385\" data-end=\"2399\"\u003eNeed Help?\u003c\/strong\u003e\u003cbr data-start=\"2399\" data-end=\"2402\"\u003eNot sure if this fits your system? \u003ca href=\"https:\/\/mrcooldiydirect.com\/pages\/contact\" target=\"_blank\" title=\"contact link to check on parts for your mr cool hvac heat pump condenser\" rel=\"noopener\"\u003eContact us\u003c\/a\u003e before checkout and we’ll help ensure you get the correct part the first time.\u003c\/p\u003e","brand":"12k Control Board","offers":[{"title":"Default Title","offer_id":50332420768061,"sku":"17222000045470","price":238.96,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/8069\/6893\/files\/mrcool-diy-outdoor-condenser-control-board-subassembly.jpg?v=1750184777"},{"product_id":"control-board-for-model-diy-18-hp-c-230b","title":"Electronic Control Box Subassembly for MRCOOL DIY 18K BTU Heat Pump Condenser for Model: DIY-18-HP-C-230B","description":"\u003cp data-start=\"265\" data-end=\"619\"\u003eRestore reliable performance with the \u003cstrong data-start=\"303\" data-end=\"341\"\u003eElectronic Control Box Subassembly\u003c\/strong\u003e, designed specifically for the \u003cstrong data-start=\"373\" data-end=\"415\"\u003eMRCOOL DIY 18K BTU Heat Pump Condenser\u003c\/strong\u003e (Model: \u003cstrong data-start=\"424\" data-end=\"444\"\u003eDIY-18-HP-C-230B\u003c\/strong\u003e). This genuine MRCOOL OEM part ensures proper control of compressor operation, fan motor function, and refrigerant cycling—vital for keeping your DIY system running smoothly.\u003c\/p\u003e\n\u003cp data-start=\"621\" data-end=\"762\"\u003eWhether you're a homeowner tackling your own repair or an HVAC pro, this pre-assembled component makes replacement quick and straightforward.\u003c\/p\u003e\n\u003ch3 data-start=\"769\" data-end=\"793\"\u003e\u003cstrong data-start=\"776\" data-end=\"793\"\u003eKey Features:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"796\" data-end=\"871\"\u003e\n\u003cstrong data-start=\"796\" data-end=\"827\"\u003eOEM MRCOOL Replacement Part\u003c\/strong\u003e – Guaranteed fit for model DIY-18-HP-C-230B\u003c\/li\u003e\n\u003cli data-start=\"874\" data-end=\"956\"\u003e\n\u003cstrong data-start=\"874\" data-end=\"903\"\u003eFully Integrated Assembly\u003c\/strong\u003e – Includes main control board and protective housing\u003c\/li\u003e\n\u003cli data-start=\"959\" data-end=\"1065\"\u003e\n\u003cstrong data-start=\"959\" data-end=\"997\"\u003eRestores Full System Functionality\u003c\/strong\u003e – Communicates with other system components for efficient operation\u003c\/li\u003e\n\u003cli data-start=\"1068\" data-end=\"1138\"\u003e\n\u003cstrong data-start=\"1068\" data-end=\"1084\"\u003eDIY Friendly\u003c\/strong\u003e – Engineered for simple installation with basic tools\u003c\/li\u003e\n\u003cli data-start=\"1141\" data-end=\"1210\"\u003e\n\u003cstrong data-start=\"1141\" data-end=\"1163\"\u003eTested \u0026amp; Certified\u003c\/strong\u003e – Built to MRCOOL safety and quality standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1212\" data-end=\"1215\"\u003e\n\u003ch4 data-start=\"1217\" data-end=\"1245\"\u003e⚠️ \u003cstrong data-start=\"1225\" data-end=\"1245\"\u003eImportant Notes:\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"1248\" data-end=\"1351\"\u003e\n\u003cstrong data-start=\"1248\" data-end=\"1278\"\u003eImages may be stock photos\u003c\/strong\u003e for illustrative purposes and may not show the exact part configuration.\u003c\/li\u003e\n\u003cli data-start=\"1354\" data-end=\"1501\"\u003e\n\u003cstrong data-start=\"1354\" data-end=\"1385\"\u003eThis item is non-returnable\u003c\/strong\u003e per our electrical and electronic components return protocol. Please confirm model compatibility before purchasing.\u003c\/li\u003e\n\u003cli data-start=\"1504\" data-end=\"1579\"\u003e\u003cstrong data-start=\"1504\" data-end=\"1579\"\u003eCompatible only with MRCOOL DIY-18-HP-C-230B (4th Generation Condenser)\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1586\" data-end=\"1706\"\u003eGet your MRCOOL system back to peak performance with this direct replacement control box—\u003cstrong data-start=\"1675\" data-end=\"1705\"\u003ein stock and ready to ship\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Control Board","offers":[{"title":"Default Title","offer_id":50478215659837,"sku":"17222000029838","price":364.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/8069\/6893\/files\/mrcool-diy-18k-electronic-control-box-front-view.jpg?v=1752066823"}],"url":"https:\/\/mrcooldiydirect.com\/collections\/mrcool-diy-control-boards.oembed","provider":"MRCOOL DIY Direct","version":"1.0","type":"link"}