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Whirlpool ATR1255BPP0 Furnace Door Switch
The furnace door switch is a safety switch which inhibits the vent fan and ignition sequence from switching on so as to avoid injuries. You should have the switch be switched out immediately if you can, if you see that it is broken.
Warnings the switch on your furnace door has to be replaced
- The door mechanism looks like it is worn down
- The system does not run whether the door is off or on
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