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International Comfort Products GPFM36S100F Furnace Door Switch
A furnace door switch is a safety feature that inhibits initial fan and gas ignition from activating so as to avoid injuries. Do not try to fix it, just have it replaced as soon as you can if you see that it is broken.
How do you know when your safety furnace door switch is in need of replacing?
- The switch looks as if it has been damaged
- The system cannot run whether the door is off or on
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