Dometic furnace limit switch. Dec 24, 2022 · Unlike home furnaces with air filters at the air inlet, RV furnaces generally do not, meaning debris will eventually find its way into the blower fan, causing the sail switch to fail. Fast Delivery. Reinstall Furnace to Decking Step 12 – Reinstall the furnace. Every Atwood of Dometic heater seems to have them in different places dempending on model. Are you looking for Dometic Limit Switch for Atwood Furnaces - 31091 Airstream Heating By now from our RV part store. Inspect wiring connections and replace the limit switch if needed. We have lowest price. It prevents the furnace from overheating, which can cause damage to the unit or even create a potential fire hazard Jun 3, 2022 · Whole Parts Furnace High Temperature Limit Switch Part # 31091 - Replacement & Compatible With Some Dometic, Atwood, MC and HydroFlame Furnaces - 2 Yr Warranty Visit the Whole Parts Store 3. These switches come in a variety of temperature ratings and are located at critical locations above the heat chamber on the various models of furnaces. The function of a limit switch is to protect the furnace from overheating. Since the furnace runs fine without the high-temperature limit switch (HTLS) engaged, the HTLS may be faulty or overly sensitive. Are you looking for Dometic Furnace Limit Switch for Atwood 8500-III Series - 37022 Airstream Heating By now from our RV part store. Jul 11, 2022 · About this item Temperature Monitoring - When the temperature surpasses a predetermined threshold, the limit switch triggers a response to shut off the furnace, preventing it from reaching dangerously high temperatures Robust Reliability - The limit switch is built to withstand the rigors of RV use, including vibrations and temperature fluctuations. May 30, 2025 · The limit switch 31091MC is a very important safety device on a furnace. A replacement Atwood furnace limit switch 190. It could be due to loose wiring connections or the switches on the verge of going out. Order now! Are you looking for Dometic Limit Switch for Atwood Furnaces - 31091 Airstream Heating By now from our RV part store. RV Furnace Limit Switch for Dometic RV™ Furnaces (31091) by Dometic RV®. This product is made of high-quality materials to serve you for years to come. It will meet your needs and deliver great quality at an affordable cost. Cleaning the area will help delay this accumulation of dust and debris. Designed with high-quality materials that Sep 16, 2022 · 31091 Limit Switch190℉ for Atwood Hydro Flame Dometic RV Furnace from Overheating Protection High Temperature Limit Switch: Amazon. Have looked everywhere to find the location of the limit switch. Therefore, it is very important that when one of these switches is replaced, you do so with the Aug 2, 2023 · About this item Application: The 31091 Limit switch used on Atwood, Hydro Flame, Dometic RV Furnace. The Dometic 31091 Next Gen Limit Switch is a premium replacement part engineered for Dometic 190 Series RV furnaces. Jul 1, 2022 · Powerful Function - When the plenum gets too hot in the heat exchanger, the limit switch can shut off the burner. Dometic Furnace Limit Switch for Atwood 8900-II/ 8900-III Series - 37021 Airstream Heating. Designed using state-of-the-art technology and with customers in mind. Note: Limit switches with multiple temperature ratings are located at critical locations above the heating chamber of various furnace models. Designed to ensure safe operation, this switch monitors and regulates internal temperatures to help prevent overheating and maintain optimal furnace performance. Sep 11, 2023 · 【FUNCTION】: The function of limit switch is to prevent the furnace from overheating by shutting off the burner when the plenum gets too hot. Nov 27, 2022 · I have a TT with an ATWOOD HEATER #AFSD20121. It is a significant safety device on a furnace. com: Industrial & ScientificAbout this item Prevent Overheating: The 31091 High Temperature Limit Switch is a must-have for RV furnace owners. This high-quality switch is specifically designed to work seamlessly with a wide range of Atwood RV furnaces, providing a reliable and precise temperature limit control that helps protect your furnace from overheating. For AFSAD12111, AFSD12111, AFSD16111, AFSD20111, AFSDA12121, AFSAD12121, AFSD12121, AFSD16121, AFSD20121, AFSAD12131, AFSD12131, AFSD16131, AFSD20131, AFSAD12141, AFSD12141, AFSD16141, AFSD20141, AFMD16111, AFMD20111, AFMD25111, AFMD30111, AFMD35111, AFMD16121, AFMD20121, AFMD25121, AFMD30121 Jan 21, 2024 · The most common issue with a Dometic RV furnace not kicking on is a problem with the sail switch or high-temperature limit switch. Ship Same Day. 9 7 ratings 50+ bought in past month May 30, 2025 · The limit switch 37021MC is a very important safety device on a furnace. mbs3s nvp xxtb 65gj hk njc9 d3 sua foy 6k5