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Whirlpool ATR0752BPP0 Furnace Door Switch
A furnace door switch is a safety feature that inhibits the draft inducer and ignitor being triggered to start so as to stop a potential explosion. Do not try to fix it, just have it traded for new one promptly if it is defective in some way or another.
Major indications your safety switch on the furnace door will not live much longer
- The furnace door switch appears as though it has been damaged
- The furnace will not even begin to start with the door closed
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