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International Comfort Products GNJ075N12A1 Furnace Door Switch
The job of the furnace door switch inhibits the fan and ignition sequence being triggered to start in order to prevent injury and fire. Do not try to fix it, just have it replaced as soon as you can especially if you suspect it is not working properly.
What symptoms are present when the furnace door switch is not working right?
- The furnace door switch seems to be not there
- The furnace will not run whether the door is off or on
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