Furnace Auxiliary Limit Switch

Flip the circuit breaker switch that corresponds to the goodman furnace to the off position to disrupt the electrical supply to the.

Furnace auxiliary limit switch.

The fan limit switch on a heating furnace controls when the furnace blower fan turns on and off. This control also provides a safety limit that turns off the burner or furnace if temperatures at the furnace are too high. Shut off the electrical power supply to the furnace before installing this part. The b1370155 goodman amana furnace auxiliary limit switch is rated to automatically reset itself when the temperature is.

Grasp the sides of. You need to verify you have the correct voltage to the motor and the run capacitor is close to it s rated value. A limit switch is a device that s located under your furnace s supply plenum. 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.

It s possible to reset the switch at home when necessary by following a few simple steps. This auxiliary limit control part number b13701 55 is for furnaces. This can be cause by your blower not running. Limit switches will trip when the furnace exceeds a certain temperature.

Wear work gloves to protect your hands. The function of your furnace limit switch is to tell the fan when to turn off and on depending on the temperature in the home. 1013102 tempstar oem furnace replacement limit switch l300. Remove the furnace access panel to get to the internal components.

Auxiliary limit control b13701 55 helps protect against overheating by starting the blower when temperatures rise too high. It reads the temperature of the plenum and waits until it gets appropriately warm. However for your own safety don t attempt to reset the switch without first consulting your furnace s instruction manual. This limit is use on the following goodman amana.

Once the air reaches a preset temperature the limit switch turns on the blower. 4 5 out of 5 stars 14. This is a brand new b1370155 goodman amana furnace auxiliary limit switch which is rated to break the heating circuit. This video will help you to diagnose and replace a faulty limit control on your gas furnace.

The limit switch includes a sensor in the heat exchanger to determine when the air is warm enough to circulate. Fan limit switches are used on all types of building heating furnaces.