Furnace Blower Motor Switch

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Furnace blower motor switch.

This video shows how to wire a furnace blower motor to an extension cord how to reverse the rotation what informa. Furnace ac blower motor replacement or how to replace your furnace blower motor. 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.

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. Based on where the manual selection switch is set when it reaches the manual setting contacts inside the switch close. Royalton 88000 max btu input natural gas 95 percentage upflow horizontal 1 stage forced air furnace. We smelled a burnt plastic smell in the house and my wife mentioned that the.

This assembly is designed for 40 60 80 and 100 thousand btu model furnaces. Then the furnace blower motor turns on. How to wire a furnace or ac blower motor. Fan limit switches are used on all types of building heating furnaces.

You can also determine the rating from your model number 8212 the 3 digit number preceding the hyphen indicates the btu rating. Your furnace s btu rating may be listed on the model number tag. To restore the furnace to normal operation you must reset the switch on the blower motor.