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Carrier 58DH Furnace Door Switch
The furnace door switch is a safety switch which inhibits the blower and other risky devices from switching on in order to prevent injury and fire. It is imperative that the switch be switched out as soon as possible if it is causing you problems.
Signs of a laboring safety door switch
- The door switch seems to be messed up
- The furnace will not start even when you close the door
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