Electric Furnace Fan Limit Switch

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Electric furnace fan limit switch.

Honeywell l4064b2236 combination fan and limit furnace control. 25 25 product ratings l4064b 2236 honeywell l4064b 2772 l4064 a e fan limit 8 furnace control. 7975 3281 coleman oem furnace replacement fan switch f110. 37 new refurbished from 45 00.

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. The fan limit switch on a heating furnace controls when the furnace blower fan turns on and off. However for your own safety don t attempt to reset the switch without first consulting your furnace s instruction manual.

Essentially this means that it determines when the hot air should be blown through your ventilation system. Only 11 left in stock order soon. 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. More buying choices 10 79 4 new offers empire r1156 fan limit switch 165 degree.

Fan limit switches are used on all types of building heating furnaces. It reads the temperature of the plenum and waits until it gets appropriately warm. The fan limit switch also has two other functions. More buying choices 88 00 19 new offers hydro flame corp 31091 limit switch 190.

It s possible to reset the switch at home when necessary by following a few simple steps. 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. Free shipping by amazon. The fan control limit switch is what communicates this message from the furnace s supply plenum to its air handler.

This control also provides a safety limit that turns off the burner or furnace if temperatures at the furnace are too high. A limit switch is a device that s located under your furnace s supply plenum. 4 4 out of 5 stars 167. The switch is located under the supply plenum and it reads the plenum s temperature.

4 3 out of 5 stars 39. 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.