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International Comfort Products C8DNL050B12B1 Furnace Door Switch
The furnace door switch is a safety switch which inhibits the fan and ignition sequence from starting so as to stop a potential explosion. It is imperative that the switch be changed promptly if it is not working in order to prevent injuries.
Major signs of an unhealthy switch on the furnace door
- The system will not even begin to start whether the door is off or on
- The door mechanism seems to be stuck
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