{"id":9137178738925,"title":"RV Furnace Air Flow Sail Switch for 31094 AFM AFLD AFLA DFMD Series Gray","handle":"rv-furnace-air-flow-sail-switch-for-31094-afm-afld-afla-dfmd-series-gray","description":"\u003ch3\u003eRV Furnace Air Flow Sail Switch for 31094 AFM AFLD AFLA DFMD Series\u003c\/h3\u003e\r\n\u003cp id=\"b\"\u003e\u003c\/p\u003e \r\n\r\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\r\n \u003cul class=\"a\"\u003e\r\n \u003cli\u003e[How to know you need to replace]---When your would run normally, if you hear the igniter begin to fire, then the furnace would light, then immediately go out.Maybe you can consider the problem of the sail switch\u003c\/li\u003e\r\n \u003cli\u003e[How does it work]---The sail switch is an air proving device. It is a safety component that will not let ignition occur until it sees 75% of the motors rpms. It ensures that the combustion wheel is rotating fast enough so that there is a proper air and gas mixture for smooth ignition\u003c\/li\u003e\r\n \u003cli\u003e[Compatible models]---Furnace AFM Series with Serial Numbers BEFORE 72489156: AFMD25111, AFMD25121, AFMD25131, AFMD25141, AFMD25151, AFMD30111, AFMD30121, AFMD30131, AFMD30141, AFMD30151, AFMD35111, AFMD35121, AFMD35131, AFMD35141, AFMD35151\u003c\/li\u003e\r\n \u003cli\u003e[Compatible models]---AFLA Series with Serial Numbers BEFORE 81689155: AFLA35211, AFLA35221, AFLA35231, AFLA40211, AFLA40221, AFLA40231\u003c\/li\u003e\r\n \u003cli\u003e[Compatible models]--- Furnace AFLD Series with Serial Numbers BEFORE 72991127: AFLD35111, AFLD35121, AFLD35131, AFLD40111, AFLD40121, AFLD40131\u003c\/li\u003e\r\n \u003cli\u003e[Compatible models]---Furnace DFMD Series with Serial Number BEFORE 72489156: DFMD25111, DFMD25121, DFMD25131, DFMD25141 and DFMD25151\u003c\/li\u003e\r\n \u003c\/ul\u003e","published_at":"2025-10-12T21:20:35+11:00","created_at":"2025-10-12T21:20:32+11:00","vendor":"Timilge","type":"Heaters \u0026 Furnaces","tags":["AUTO_bestsellers_Oct2025"],"price":12500,"price_min":12500,"price_max":12500,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":48862110810349,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"B0DDX6PKKZ","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"RV Furnace Air Flow Sail Switch for 31094 AFM AFLD AFLA DFMD Series Gray","public_title":null,"options":["Default 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Furnace Air Flow Sail Switch for 31094 AFM AFLD AFLA DFMD Series\u003c\/h3\u003e\r\n\u003cp id=\"b\"\u003e\u003c\/p\u003e \r\n\r\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\r\n \u003cul class=\"a\"\u003e\r\n \u003cli\u003e[How to know you need to replace]---When your would run normally, if you hear the igniter begin to fire, then the furnace would light, then immediately go out.Maybe you can consider the problem of the sail switch\u003c\/li\u003e\r\n \u003cli\u003e[How does it work]---The sail switch is an air proving device. It is a safety component that will not let ignition occur until it sees 75% of the motors rpms. It ensures that the combustion wheel is rotating fast enough so that there is a proper air and gas mixture for smooth ignition\u003c\/li\u003e\r\n \u003cli\u003e[Compatible models]---Furnace AFM Series with Serial Numbers BEFORE 72489156: AFMD25111, AFMD25121, AFMD25131, AFMD25141, AFMD25151, AFMD30111, AFMD30121, AFMD30131, AFMD30141, AFMD30151, AFMD35111, AFMD35121, AFMD35131, AFMD35141, AFMD35151\u003c\/li\u003e\r\n \u003cli\u003e[Compatible models]---AFLA Series with Serial Numbers BEFORE 81689155: AFLA35211, AFLA35221, AFLA35231, AFLA40211, AFLA40221, AFLA40231\u003c\/li\u003e\r\n \u003cli\u003e[Compatible models]--- Furnace AFLD Series with Serial Numbers BEFORE 72991127: AFLD35111, AFLD35121, AFLD35131, AFLD40111, AFLD40121, AFLD40131\u003c\/li\u003e\r\n \u003cli\u003e[Compatible models]---Furnace DFMD Series with Serial Number BEFORE 72489156: DFMD25111, DFMD25121, DFMD25131, DFMD25141 and DFMD25151\u003c\/li\u003e\r\n \u003c\/ul\u003e"}