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Lennox CBX26UH-018 Furnace Door Switch
A furnace door switch is a safety feature that inhibits the fan and gas ignition from switching on in order to prevent injury and fire. You should really have it replaced swiftly if you find it to be faulty.
Key signs of an unhealthy safety furnace door switch
- The furnace will not engage even with the door closed
- The furnace door switch looks breaking apart
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