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Whirlpool ATR0953SPP0 Furnace Door Switch
The job of the furnace door switch blocks initial fan and other risky devices being triggered to start in order to prevent injury and fire. It is imperative that the switch be replaced promptly if you suspect that it is not working.
Key clues to watch for in a failing furnace door switch
- The switch appears to be stuck
- The system will not even begin to start whether the door is open or closed
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