The fan limit control includes these key features a manually operated blower fan on off switch on some not all fan limit controls a temperature sensor in the furnace either a probe with bimetallic spring or a snap disc type temperature sensor.
Furnace blower fan switch.
Honeywell furnace temperature fan limit switch control the fan limit control turns the fan on and off in furnace applications.
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It works off of temperature and also provides a high temperature safety limit this is a switch actually two switches which turns the furnace blower on and off based on the temperature of the heat exchanger.
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The fan limit switch also has two other functions.
Oem honeywell furnace 5 fan limit rotating dial switch l4064e1686.
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.
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