Furnace Blower Motor Switch

Royalton 88000 max btu input natural gas 95 percentage upflow horizontal 1 stage forced air furnace.

Furnace blower motor switch.

Most types of residential furnaces feature an internal component known as a blower switch that is used to shut down the fan motor in the event that the appliance overheats the motor malfunctions or the furnace filter becomes clogged. To restore the furnace to normal operation you must reset the switch on the blower motor. When the furnace heat exchanger heats up the bimetal twists causing the round dial shown in the picture to turn. Furnace ac blower motor replacement or how to replace your furnace blower motor.

Fan limit switches are used on all types of building heating furnaces. This control also provides a safety limit that turns off the burner or furnace if temperatures at the furnace are too high. This video shows how to wire a furnace blower motor to an extension cord how to reverse the rotation what informa. This is used so that cold air is not blown into a house waiting for the gas flames to heat up enough before the blower turns on.

The fan limit switch on a heating furnace controls when the furnace blower fan turns on and off. Based on where the manual selection switch is set when it reaches the manual setting contacts inside the switch close. We smelled a burnt plastic smell in the house and my wife mentioned that the. Please visit my amazon store front for awesome hvac tools at a affordable price delivered right to your home every tool in my hvac tool of th.

Your furnace s btu rating may be listed on the model number tag. How to wire a furnace or ac blower motor. This assembly is designed for 40 60 80 and 100 thousand btu model furnaces.