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International Comfort Products H8MPL075F16B1 Furnace Door Switch
The furnace door switch is a safety switch which prevents the blower and gas ignition from activating so as to stop a potential explosion. It is important to get the part swapped out immediately if you can, if you suspect that it is not working.
Elements of a laboring furnace door switch
- The whole system will not operate even when you close the door
- The door mechanism has been worn
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