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International Comfort Products NHP048AKA1 Furnace Door Switch
A furnace door switch is a safety feature that blocks the blower and burner from starting so as to avoid injuries. It is important to get the part traded for new one as soon as you can if it is defective in some way or another.
Clues to watch for to know your safety switch on the furnace door will soon need to be replaced
- The switch seems to be bent badly
- The HVAC system will not operate even with the door closed
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