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Carrier ZW Furnace Door Switch
The furnace door switch is a safety switch which inhibits the draft inducer and gas ignition being triggered to start in order to prevent injury and fire. It is vital that this part be swapped out swiftly if it is defective in some way or another.
Symptoms of a bad furnace door switch
- The HVAC system will not fire up whether the door is off or on
- The door mechanism has been wrong
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