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Whirlpool ATE0743SPP0 Furnace Door Switch
The furnace door switch stops the blower and other risky devices being triggered to start so as to avoid injuries. It is important to get the part switched out as soon as possible if it is defective.
Subtle cues of a failing safety switch on the furnace door
- The door switch looks like it is wrong
- The HVAC system will not start even when you close the door
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