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International Comfort Products N8MPL100J22B1 Furnace Door Switch
The furnace door switch is a safety switch which blocks the fan and other risky devices from starting so as to stop a potential explosion. Do not waste time and have it exchanged for a new one promptly if you find it to be faulty.
Clues to watch for to know the switch on your furnace door will not last the year
- The door mechanism has been fallen off
- The whole system does not operate even with the door closed
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