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International Comfort Products HHP236AKA1 Furnace Door Switch
The furnace door switch inhibits the vent fan and burner from switching on so as to avoid injuries. It is important to get the part substituted for a new part as soon as you can if it is defective in some way or another.
Subtle cues of an ineffective safety door switch
- The furnace does not operate even with the door closed
- The door switch appears to be broken completely
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