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International Comfort Products GPFM60H100F Furnace Door Switch
This switch inhibits initial fan and ignition sequence from starting in order to prevent injury and fire. It is quite important to have it substituted for a new part ASAP if it is not working in order to prevent injuries.
Some warnings your furnace door switch should need replacing
- The door mechanism appears as though it has been messed up
- The HVAC system does not function even when you close the door
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