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International Comfort Products H8MPT050B12A1 Furnace Door Switch
A furnace door switch is a safety feature that inhibits the fan and gas ignition from starting so as to avoid injuries. It is extremely important that the device is substituted for a new part as quick as you can especially if you think it is defective.
Hints of a weak safety switch on the furnace door
- The furnace does not fire up even with the door closed
- The furnace door switch seems bent
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