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International Comfort Products H9MPX080J16A2 Furnace Door Switch
The job of the furnace door switch inhibits the fan and other risky devices from starting so as to avoid injuries. It is important to get the part replaced immediately if you can, especially if you suspect it is not working properly.
Simple indications poorly running safety furnace door switch
- The door switch has been worn
- The furnace will not operate with the door closed
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