31091 Limit Switch 190℉ for Atwood Hydro Flame Dometic RV Furnace from Overheating Protection High Temperature Limit Switch
Product description
- Prevent Overheating: The 31091 High Temperature Limit Switch is a must-have for RV furnace owners. It prevents the furnace from overheating, which can cause damage to the unit or even create a potential fire hazard.
- Compatible Models: This high-quality limit switch is designed to work with a variety of furnace models, including AFSAD12111/ AFMD16111/ AFMD25131/ AFLA35211/ AFSD12111/ AFSD20111/ AFSDA12121/ AFSAD12121/ AFSD12121/ AFSD16121/ AFSD20121/ AFSAD12131/ AFSD12131/ AFSD16131/ AFSD20131/ AFSAD12141/ AFSD12141/ AFSD16141S.
- High Temperature Rating: With a temperature rating of 203℉, this switch provides optimal protection for your RV furnace. It cuts off power to the unit when temperatures become too high, ensuring safe and reliable operation.
- Long-Lasting Performance: Made from high-quality materials, this limit switch offers excellent thermal conductivity, stable performance, high precision, is designed to withstand the rigors of RV travel and use.
- Installation Tips: Before installing the limit switch, make sure to turn off the power and gas valve.
31091 Limit Switch
- Rating: With a temperature rating of 190℉.
- Major Function: When the plenum gets too hot in the heat exchanger, the limit switch can shut off the burner. It is a significant safety device on a furnace.
- High Quality: Made of premium aluminum alloy combined with thermoplastic materials, sturdy, durable to use.
- Easy to Install: It is mainly fixed with two screws and connected with wiring, making installation very simple.
- NOTE: Before installing the limit switch, please turn off the power and gas valve.

Widely applicable
- AFSAD: AFSAD1211/AFSAD12121/AFSAD12131/AFSAD212141
- AFMD: AFMD16111/AFMD25131
- AFLA: AFLA35211
- AFSD: AFSD12111/AFSD20111/AFSD12121/AFSD16121/AFSD20121//AFSD121 31/AFSD12131/AFSD16131/AFSD20131/AFSD12141/AFSD16141S
This device is small in size and lightweight, making it easy to install and replace. It's important to note that limit switches with multiple temperature ratings are located at critical locations above the heating chamber of various furnace models. Therefore, when replacing one of the switches, it's essential to use an appropriately rated switch.
