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LG AMNH123APM0 Furnace Door Switch
The furnace door switch is a safety switch which blocks the fan and gas ignition from turning on so as to avoid injuries. It is imperative that the switch be switched out immediately if you can, if you see that it is broken.
Major symptoms poorly running safety furnace door switch
- The furnace door switch is breaking off
- The furnace will not engage even with the door closed
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