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Whirlpool ATE1243BPP0 Furnace Door Switch
The furnace door switch is a safety switch which blocks the draft inducer and gas ignition from turning on in order to prevent injury and fire. You should really have it changed as soon as possible if you suspect that it is not working.
How do you know when your safety switch on the furnace door is about to go out?
- The door switch seems not there
- The HVAC system does not turn on even with the door closed
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