{"product_id":"door-plunger-switch-17471100004765","title":"Door Plunger Switch (17471100004765) | Universal HVAC Cabinet Safety Switch Replacement","description":"\u003cp\u003e\u003cstrong\u003eRestore safe and reliable system operation with this Door Plunger Switch (Part #17471100004765), a common HVAC safety component used across a wide range of air handlers, furnaces, and HVAC cabinets.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis plunger-style door switch is designed to detect when an access panel or blower door is open or closed, automatically interrupting or restoring power to the system. If your HVAC unit will not turn on, shuts off when the panel is in place, or behaves inconsistently, a faulty door switch is often the cause.\u003c\/p\u003e\n\u003ch3\u003eCommon HVAC Problems This Fixes:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFurnace or air handler not turning on\u003c\/li\u003e\n\u003cli\u003eSystem shuts off when access panel is installed\u003c\/li\u003e\n\u003cli\u003eBlower motor not running\u003c\/li\u003e\n\u003cli\u003eNo power to HVAC unit despite correct wiring\u003c\/li\u003e\n\u003cli\u003eIntermittent system operation\u003c\/li\u003e\n\u003cli\u003eBroken or stuck door safety switch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUniversal replacement part\u003c\/li\u003e\n\u003cli\u003eUniversal-style plunger door switch design\u003c\/li\u003e\n\u003cli\u003eCommonly used across HVAC systems including furnaces and air handlers\u003c\/li\u003e\n\u003cli\u003eEnsures safe operation by cutting power when panels are removed\u003c\/li\u003e\n\u003cli\u003eSimple and reliable mechanical operation\u003c\/li\u003e\n\u003cli\u003eCompact design for easy installation and replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Details:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 17471100004765\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Door Plunger Safety Switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e HVAC cabinet \/ blower door safety switch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e⚠️ Fitment \u0026amp; Compatibility:\u003c\/h3\u003e\n\u003cp\u003eThis is a \u003cstrong\u003euniversal-style HVAC door switch\u003c\/strong\u003e commonly used across many systems. While it is a universal replacement part, it will\u003cstrong\u003e fit other brands and models\u003c\/strong\u003e depending on design and specifications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment is not guaranteed for all systems.\u003c\/strong\u003e If you are unsure, contact us before ordering and we will help verify compatibility.\u003c\/p\u003e\n\u003ch3\u003eWhat Does a Door Plunger Switch Do?\u003c\/h3\u003e\n\u003cp\u003eThis safety switch ensures your HVAC system only operates when the cabinet door is securely in place. When the panel is removed, the switch cuts power to prevent injury or equipment damage. When it fails, your system may not turn on at all—even if everything else is working correctly.\u003c\/p\u003e\n\u003ch3\u003e📦 Additional Notes:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStock images may be used\u003c\/li\u003e\n\u003cli\u003eProfessional installation recommended\u003c\/li\u003e\n\u003cli\u003eAlways compare your existing switch for proper fit and function\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDon’t replace expensive components when a simple safety switch could be the issue—this is one of the most common and overlooked HVAC fixes.\u003c\/strong\u003e\u003c\/p\u003e","brand":"MRCOOL DIY Direct","offers":[{"title":"Default Title","offer_id":51670796271933,"sku":"17471100004765","price":17.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/8069\/6893\/files\/hvac-door-plunger-switch-17471100004765-furnace-air-handler.avif?v=1778067060","url":"https:\/\/mrcooldiydirect.com\/products\/door-plunger-switch-17471100004765","provider":"MRCOOL DIY Direct","version":"1.0","type":"link"}