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International Comfort Products GDL050N12A1 Furnace Door Switch
The furnace door switch is a safety switch which inhibits the vent fan and ignition sequence from activating so as to stop a potential explosion. It is vital that this part be changed as soon as possible if you find it to be faulty.
Major symptoms of a declining switch on the furnace door
- The door mechanism has been fallen off
- The furnace does not begin to work even with the door closed
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