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Whynter ARC-122DHP Furnace Door Switch
The furnace door switch is a safety switch which blocks the draft inducer and other risky devices from starting so as to stop a potential explosion. You should really have it switched out swiftly if you find it to be faulty.
Important red flags poorly running furnace door switch
- The furnace does not run even with the door closed
- The safety door switch appears to be worn down
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