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Whirlpool ATR1543BPP0 Furnace Door Switch
A furnace door switch is a safety feature that prevents the fan and ignitor from starting in order to prevent injury and fire. It is important to get the part switched out at once if it is defective.
Key symptoms of a bad switch on the furnace door
- The furnace will not operate even when you close the door
- The safety door switch seems to be broken badly
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