Electric Furnace Fan Limit Switch

Essentially this means that it determines when the hot air should be blown through your ventilation system.

Electric furnace fan limit switch.

37 new refurbished from 45 00. 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. 25 25 product ratings l4064b 2236 honeywell l4064b 2772 l4064 a e fan limit 8 furnace control. A limit switch is a device that s located under your furnace s supply plenum.

Honeywell furnace 5 combo fan limit switch l4064b3432 us stove wood coal. More buying choices 10 79 4 new offers empire r1156 fan limit switch 165 degree. Only 11 left in stock order soon. 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.

Fan limit switches are used on all types of building heating furnaces. The fan limit switch on a heating furnace controls when the furnace blower fan turns on and off. It reads the temperature of the plenum and waits until it gets appropriately warm. 7975 3281 coleman oem furnace replacement fan switch f110.

Get it as soon as sun oct 4. Honeywell l4064b2236 combination fan and limit furnace control. The fan limit switch also has two other functions. It s possible to reset the switch at home when necessary by following a few simple steps.

The fan control limit switch is what communicates this message from the furnace s supply plenum to its air handler. The switch is located under the supply plenum and it reads the plenum s temperature. 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. 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.

When the plenum reaches the appropriate temperature the limit switch will send a signal to the air handler. 4 4 out of 5 stars 167. Free shipping by amazon. 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.

This control also provides a safety limit that turns off the burner or furnace if temperatures at the furnace are too high. 4 5 out of 5 stars 20.