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Carrier 48GS060130300 Furnace Door Switch
The furnace door switch is a safety switch which blocks the draft inducer and other risky devices from switching on in order to prevent injury and fire. You should really have it swapped out promptly if it is defective.
Major warnings of a bad furnace door switch
- The HVAC system does not run even when you close the door
- The door mechanism looks damaged
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