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International Comfort Products PGMD30G0904 Furnace Door Switch
A furnace door switch is a safety feature that blocks initial fan and ignition sequence from turning on in order to prevent injury and fire. Do not waste time and have it swapped out as soon as you can if it is defective.
Clues of a poorly performing furnace door switch
- The whole system will not engage with the door closed
- The safety door switch looks as if it has been broken badly
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