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Fujitsu ASU30CLX1 Furnace Door Switch
The furnace door switch stops the draft inducer and gas ignition from switching on so as to avoid injuries. It is vital that this part be replaced at once if it is defective in some way or another.
How can I tell if my safety furnace door switch is dying?
- The furnace will not even begin to start whether the door is open or closed
- The door switch looks as if it has been damaged
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