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Whirlpool ATE1253SPP0 Furnace Door Switch
The furnace door switch prevents initial fan and ignition sequence from switching on so as to avoid injuries. You should have the switch be swapped out swiftly if it is causing you problems.
What to see if the safety furnace door switch is not working right?
- The HVAC system does not run with the door closed
- The furnace door switch is broken
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