{"product_id":"rheem-47-20545-91-100-250f-5-fan-limit-switch","title":"Rheem 47-20545-91 100\/250F 5\" FAN \u0026 LIMIT SWITCH","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eRheem 47-20545-91\u003c\/strong\u003e is a factory OEM replacement fan and limit switch designed for compatible Rheem heating systems. This component regulates both the blower fan operation and high-limit safety function to ensure proper system performance and protection.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Rheem\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 47-20545-91\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e 100°F (fan activation) \/ 250°F (limit cutoff)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensing Element Length:\u003c\/strong\u003e 5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Fan \u0026amp; Limit Switch (Combination)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFunction \u0026amp; Operation\u003c\/h3\u003e\n\u003cp\u003eThis combination fan and limit switch serves two critical roles within your heating system:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFan Control:\u003c\/strong\u003e Activates the blower fan at \u003cstrong\u003e100°F\u003c\/strong\u003e to begin circulating warm air through the system once the heat exchanger reaches the appropriate temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLimit Protection:\u003c\/strong\u003e Shuts down the burner at \u003cstrong\u003e250°F\u003c\/strong\u003e to prevent overheating and protect the heat exchanger and surrounding components from damage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThis is a \u003cstrong\u003egenuine Rheem OEM replacement part\u003c\/strong\u003e intended for use in compatible Rheem furnace and heating unit models. Using the correct OEM part ensures reliable fit, accurate temperature calibration, and continued safe operation of your system. Please verify your unit's part number against \u003cstrong\u003e47-20545-91\u003c\/strong\u003e before ordering to confirm compatibility.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Replace Your Fan \u0026amp; Limit Switch?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePrevents short cycling or continuous blower operation caused by a faulty switch\u003c\/li\u003e\n\u003cli\u003eRestores proper high-limit safety protection to avoid heat exchanger damage\u003c\/li\u003e\n\u003cli\u003eEnsures the blower activates and deactivates at the correct temperatures\u003c\/li\u003e\n\u003cli\u003eMaintains overall system efficiency and safe operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDimensions\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" \u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWidth:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" \u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeight:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Rheem","offers":[{"title":"Default Title","offer_id":51514281296178,"sku":"47-20545-91","price":718.12,"currency_code":"USD","in_stock":true}],"url":"https:\/\/malachypartsplus.com\/products\/rheem-47-20545-91-100-250f-5-fan-limit-switch","provider":"Malachy Parts+","version":"1.0","type":"link"}