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Bryant 378 Furnace Door Switch
The furnace door switch is a safety switch which prevents initial fan and other risky devices from switching on so as to stop a potential explosion. It is crucial to have this part exchanged for a new one swiftly if you suspect that it is not working.
Major red flags the switch on your furnace door should need replacing
- The whole system does not begin to work even when you close the door
- The door mechanism looks eroded
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