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International Comfort Products GPFM24K040F Furnace Door Switch
The job of the furnace door switch stops initial fan and other risky devices being triggered to start in order to prevent injury and fire. You should really have it swapped out swiftly especially if you suspect it is not working properly.
Indications the switch on your furnace door will need replacing
- The safety door switch is breaking apart
- The system does not fire up even with the door closed
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