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Carrier 38BRC048 Furnace Door Switch
A furnace door switch is a switch that blocks the vent fan and gas ignition from switching on so as to stop a potential explosion. It is extremely important that the device is switched out ASAP if it is not working in order to prevent injuries.
Key clues of a defective furnace door switch
- The furnace does not operate whether the door is off or on
- The furnace door switch seems to be breaking apart
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