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International Comfort Products N8MPN075B12B1 Furnace Door Switch
The furnace door switch is a safety switch which blocks initial fan and burner from turning on so as to avoid injuries. Do not try to fix it, just have it substituted for a new part promptly if it is defective.
What red flags are there that my furnace door switch is not working right?
- The door switch is bent
- The whole system will not run even when you close the door
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