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International Comfort Products GPFM36K100F Furnace Door Switch
A furnace door switch is a safety feature that inhibits the draft inducer and burner from turning on in order to prevent injury and fire. It is vital that this part be changed quickly especially if you think it is defective.
Some warnings your furnace door switch has to be replaced
- The door mechanism appears as though it has been fallen off
- The furnace does not turn on even when you close the door
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