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Payne PA1ZNA042000AAAA Furnace Door Switch
The furnace door switch is a safety switch which inhibits initial fan and ignitor from switching on in order to prevent injury and fire. It is extremely important that the device is replaced swiftly especially if you suspect it is not working properly.
Major signs your furnace door switch is going to die
- The furnace does not operate whether the door is open or closed
- The furnace door switch looks bent badly
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