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International Comfort Products GPCM30K080F Furnace Door Switch
The job of the furnace door switch inhibits the draft inducer and ignition sequence from activating so as to stop a potential explosion. It is imperative that the switch be exchanged for a new one promptly if it is causing you problems.
Important clues of an inadequate furnace door switch
- The furnace door switch is bent badly
- The system does not begin to work even when you close the door
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