{"product_id":"mrcool-thermistor-a09-hp-wmah-2308-mini-split-temp-sensor","title":"MRCOOL Mini Split Thermistor (Temp Sensor) for A-09-HP-WMAH-230B Air Handler | OEM Replacement","description":"\u003cp\u003e\u003cstrong\u003eFix inaccurate temperature readings, restore proper cooling and heating, and eliminate common mini split issues with this genuine MRCOOL thermistor (temperature sensor).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis OEM thermistor is designed for use in select MRCOOL wall-mounted mini split air handlers and plays a critical role in system performance. It continuously monitors temperature and sends data to the control board, allowing your system to adjust compressor operation, fan speed, and defrost cycles accurately.\u003c\/p\u003e\n\u003cp\u003eIf your mini split is not maintaining temperature, short cycling, freezing up, or displaying error codes, a faulty thermistor is one of the most common causes.\u003c\/p\u003e\n\u003ch3\u003eCommon Problems This Thermistor Fixes:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMini split not cooling properly or blowing warm air\u003c\/li\u003e\n\u003cli\u003eMini split not heating correctly\u003c\/li\u003e\n\u003cli\u003eIncorrect room temperature readings\u003c\/li\u003e\n\u003cli\u003eEvaporator coil freezing or icing up\u003c\/li\u003e\n\u003cli\u003eSystem short cycling (turning on and off repeatedly)\u003c\/li\u003e\n\u003cli\u003eError codes related to temperature sensors\u003c\/li\u003e\n\u003cli\u003eFan not operating as expected\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine MRCOOL OEM replacement part\u003c\/li\u003e\n\u003cli\u003eDesigned for accurate temperature sensing and system control\u003c\/li\u003e\n\u003cli\u003eDirect replacement for factory-installed thermistor\u003c\/li\u003e\n\u003cli\u003eHelps restore efficiency and proper operation\u003c\/li\u003e\n\u003cli\u003ePlug-and-play connection (model dependent)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Model (Guaranteed Fit):\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eA-09-HP-WMAH-2308 Wall-Mounted Mini Split Air Handler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 11201007003447\u003c\/p\u003e\n\u003ch3\u003e⚠️ Important Fitment Notice:\u003c\/h3\u003e\n\u003cp\u003eThis thermistor is \u003cstrong\u003eguaranteed to fit the model listed above\u003c\/strong\u003e. It may be compatible with other MRCOOL mini split systems or similar brands, but compatibility is \u003cstrong\u003enot guaranteed unless specifically listed\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIf your model is not listed, contact us before ordering and we will help verify fitment.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eWhat Is a Thermistor?\u003c\/h3\u003e\n\u003cp\u003eA thermistor is a temperature sensor used by your mini split system to monitor air and coil temperatures. When it fails, the system may behave unpredictably, including poor cooling performance, incorrect temperature control, or shutdown errors.\u003c\/p\u003e\n\u003ch3\u003eAdditional Notes:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStock images may be used for this listing\u003c\/li\u003e\n\u003cli\u003eProfessional installation recommended\u003c\/li\u003e\n\u003cli\u003eAlways match part numbers when replacing HVAC components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRestore your mini split’s performance and avoid unnecessary system replacement—replace the thermistor and get your system running like it should.\u003c\/strong\u003e\u003c\/p\u003e","brand":"MRCOOL DIY Direct","offers":[{"title":"Default Title","offer_id":51670701769021,"sku":null,"price":46.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/8069\/6893\/files\/mrcool-thermistor-a09-hp-wmah-2308-mini-split-temp-sensor..avif?v=1778016779","url":"https:\/\/mrcooldiydirect.com\/products\/mrcool-thermistor-a09-hp-wmah-2308-mini-split-temp-sensor","provider":"MRCOOL DIY Direct","version":"1.0","type":"link"}