Carrier Furnace Fan Limit Switch

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.

Carrier furnace fan limit switch.

Essentially this means that it determines when the hot air should be blown through your ventilation system. 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 hh12zb160 bryant carrier furnace limit switch replaces old bryant carrier part numbers hh12za163 hh12za161 p331 2202 and 48ma512913. If your furnace is going off on limit you might have an airflow problem like a dirty filter dirty blower slow blower motor might need a new capacitor stopped up evaporator coil or too much gas pressure.

Hh18hz195 carrier oem furnace limit switch l195 80 by oem replm for carrier. The hh12zb160 limit opens the circuit when the furnace reaches a temperature of 160 degrees f. Only 10 left in stock order soon. Fan limit switches are used on all types of building heating furnaces.

365 day right part guaranteed return policy. Hh12zb180 carrier oem furnace 3 limit switch l180 40 by oem replm for carrier. 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. Hh12zb250 carrier oem furnace 3 limit switch l250 40 by carrier 12 24 only 9 left in stock order soon.

A furnace limit is a safety device that is used to cut the gas burners off if the furnace over heats. The fan limit switch also has two other functions. Amazon s choice for carrier furnace limit switch. The hh12zb160 bryant carrier furnace limit switch is used in over 800 bryant carrier furnace models.

It s possible to reset the switch at home when necessary by following a few simple steps. 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. However for your own safety don t attempt to reset the switch without first consulting your furnace s instruction manual. The hh12zb160 has a 3 insertion depth.

The fan limit switch on a heating furnace controls when the furnace blower fan turns on and off. Sold by hvac pros and ships from amazon fulfillment. This is the limit switch on our carrier furnace that i had to reset and reset until it finally stopped needing to be reset anymore and the furnace works fine. This control also provides a safety limit that turns off the burner or furnace if temperatures at the furnace are too high.

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