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Whirlpool ATE1553CPP0 Furnace Door Switch
The furnace door switch blocks the vent fan and ignitor from switching on so as to stop a potential explosion. It is important to get the part changed promptly especially if you suspect it is not working properly.
Important red flags of a deteriorating safety furnace door switch
- The door switch seems breaking apart
- The furnace will not fire up even when you close the door
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