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Whirlpool ATR0752SPP0 Furnace Door Switch
A furnace door switch is a safety feature that blocks the blower and ignition sequence from starting so as to stop a potential explosion. It is imperative that the switch be replaced promptly if it is defective.
Major clues the safety door switch needs to be replaced
- The door mechanism seems broken
- The furnace will not begin even when you close the door
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