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International Comfort Products C8MPT100J20A1 Furnace Door Switch
A furnace door switch is a safety feature that stops initial fan and gas ignition from starting in order to prevent injury and fire. Do not waste time and have it substituted for a new part at once if you suspect that it is not working.
Major symptoms the switch on your furnace door should need replacing
- The whole system will not start whether the door is off or on
- The door switch seems damaged
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