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International Comfort Products PGME42G1155 Furnace Door Switch
The furnace door switch is a safety switch which prevents the vent fan and ignition sequence from starting in order to prevent injury and fire. It is vital that this part be exchanged for a new one immediately if you can, if it is defective.
Major indications of a failing furnace door switch
- The furnace does not operate even with the door closed
- The switch seems damaged
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