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Whirlpool ATR1242RPP0 Furnace Door Switch
A furnace door switch is a safety feature that inhibits the fan and other risky devices from starting so as to avoid injuries. You should have the switch be swapped out ASAP especially if you suspect it is not working properly.
Signals of a dying safety furnace door switch
- The system will not begin with the door closed
- The door mechanism appears as though it has been broken badly
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