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Carrier 58CVA15510022 Furnace Door Switch
The furnace door switch is a safety switch which blocks the draft inducer and other risky devices from turning on so as to stop a potential explosion. You should have the switch be changed promptly if you suspect that it is not working.
Major indications the safety door switch needs replacing ASAP
- The whole system does not fire up even when you close the door
- The furnace door switch looks as if it has been chipped
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