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International Comfort Products C8MPT100F14A1 Furnace Door Switch
A furnace door switch is a safety feature that inhibits initial fan and burner from turning on so as to stop a potential explosion. It is important to get the part exchanged for a new one at once if you suspect that it is not working.
Red flags of a weakening switch on the furnace door
- The door switch seems to be breaking apart
- The HVAC system will not operate even with the door closed
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