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International Comfort Products NHP030GKA1 Furnace Door Switch
The furnace door switch is a safety switch which prevents the blower and gas ignition from turning on so as to avoid injuries. Do not try to fix it, just have it substituted for a new part immediately if you can, if it is not working in order to prevent injuries.
Key clues of an unhealthy switch on the furnace door
- The safety door switch appears to be breaking apart
- The system does not function with the door closed
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