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Whirlpool ATE0743RPP0 Furnace Door Switch
A furnace door switch is a safety feature that stops the blower and ignition sequence from turning on so as to avoid injuries. You should really have it switched out ASAP if it is damaged so as to prevent something bad happening.
Major signs of a faulty furnace door switch
- The furnace door switch seems broken badly
- The furnace cannot run whether the door is off or on
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