Rv Furnace Limit Switch

Once the plenum reaches a specific temperature the limit switch sends a signal to the air handler to begin running and delivering warm air to your home.

Rv furnace limit switch.

If the temperatures get too high the switch will cut power and avoid damage that could be caused. Troubleshooting the rv furnace. Rv furnace doesn t shut off when temperature is reached. A limit switch is a device that s located under your furnace s supply plenum.

It reads the temperature of the plenum and waits until it gets appropriately warm. Time delay relay used on older furnaces newer furnaces have the relay incorporated into the circuit board this relay performs two separate jobs one to handle the relatively high current needed to run the blower motor and two to allow the blower to run for 45 to 90 seconds after the thermostat is satisfied. Ordered new limit switch atwood 37022 hydro flame limit switch 190 degrees around 15 with shipping paying attention to get one with correct limit temperature and also trying to find out with rv manufacturer for no reason i decided to contact them not atwood whether it s possible to take sail switch out without taking the furnace unit out. It can be caused by a faulty limit switch.