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International Comfort Products GPFM30K060F Furnace Door Switch
The furnace door switch is a safety switch which prevents initial fan and other risky devices from starting so as to stop a potential explosion. Do not waste time and have it substituted for a new part as soon as you can if you suspect that it is not working.
Indications the switch on your furnace door will eventually need to be replaced
- The system will not run even with the door closed
- The switch is fallen off
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