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International Comfort Products C9MPX060F12A2 Furnace Door Switch
The job of the furnace door switch blocks the draft inducer and ignitor from activating in order to prevent injury and fire. You should have the switch be swapped out immediately if you can, if it is not working in order to prevent injuries.
Major warnings to watch for in a failing safety switch on the furnace door
- The switch appears as though it has been chipped
- The whole system will not operate even when you close the door
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