Electric Furnace Fan Limit Switch

The fan limit switch on a heating furnace controls when the furnace blower fan turns on and off.

Electric furnace fan limit switch.

However for your own safety don t attempt to reset the switch without first consulting your furnace s instruction manual. 4 5 out of 5 stars 20. 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. 4 3 out of 5 stars 39.

It s possible to reset the switch at home when necessary by following a few simple steps. 4 4 out of 5 stars 167. Honeywell furnace 5 combo fan limit switch l4064b3432 us stove wood coal. 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.

Definition of a fan limit switch a fan limit switch is a component of a furnace system that determines when the furnace blower assembly for hot air turns on and off. More buying choices 88 00 19 new offers hydro flame corp 31091 limit switch 190. This control also provides a safety limit that turns off the burner or furnace if temperatures at the furnace are too high. Fan limit switches are used on all types of building heating furnaces.

Fan control limit switch the fan switch reads the temperature inside a furnace and once the temperature becomes warm enough turns the blower motor on sending warm air into a home. More buying choices 10 79 4 new offers empire r1156 fan limit switch 165 degree. A limit switch is a device that s located under your furnace s supply plenum. Get it as soon as sun oct 4.

Only 11 left in stock order soon. The fan limit switch also has two other functions. 37 new refurbished from 45 00. 7975 3281 coleman oem furnace replacement fan switch f110.

It reads the temperature of the plenum and waits until it gets appropriately warm. Essentially this means that it determines when the hot air should be blown through your ventilation system. Honeywell l4064b2236 combination fan and limit furnace control. Free shipping by amazon.

The switch is located under the supply plenum and it reads the plenum s temperature. 25 25 product ratings l4064b 2236 honeywell l4064b 2772 l4064 a e fan limit 8 furnace control.