Low Air Flow Sail Switch For For Dometic/Atwood 31094 Furnace

Replacement For 31094 RV Air Flow Sail Switch for AFM AFLD AFLA DFMD Series[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. [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 motor’s rpm’s. It ensures that the combustion wheel is rotating fast enough so that there is a proper air and gas mixture for smooth ignition. [Compatible models]---For Furnace AFM Series with Serial Numbers BEFORE 72489156: For AFMD25111, For AFMD25121, For AFMD25131, For AFMD25141, For AFMD25151, For AFMD30111, For AFMD30121, For AFMD30131, For AFMD30141, For AFMD30151, For AFMD35111, For AFMD35121, For AFMD35131, For AFMD35141, For AFMD35151. [Compatible models]--- For Furnace AFLD Series with Serial Numbers BEFORE 72991127: For AFLD35111, For AFLD35121, For AFLD35131, For AFLD40111, For AFLD40121, For AFLD40131. [Compatible models]---For AFLA Series with Serial Numbers BEFORE 81689155: For AFLA35211, For AFLA35221, For AFLA35231, For AFLA40211, For AFLA40221, For AFLA40231. [Compatible models]---For Furnace DFMD Series with Serial Number BEFORE 72489156: For DFMD25111, For DFMD25121, For DFMD25131, For DFMD25141 and For DFMD25151. Replacement For 31094 RV furnace air flow sail switch.

• ✔ Complete Engine Tune-Up Essentials – Includes high-quality carburetors, air filters, and spark plugs to restore power, performance, and fuel efficiency.
• ✔ Compatible with Top Equipment Brands – Designed to fit popular models from For Craftsman, Husqvarna, Honda, Generac, Troy Bilt, MTD, and B&S—check fitment guide.
• ✔ Improves Starting & Performance – Replacing worn components ensures easier starts, smoother operation, and reduced fuel consumption.
• ✔ Durable & Weather-Resistant – Built with premium materials to withstand heat, vibration, and outdoor conditions in lawn, garden, and generator use.
• ✔ Easy to Install at Home – Direct-fit parts allow for quick DIY replacement with basic tools—no special skills required.