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Carrier 24ABR318G0030010 Furnace Door Switch
The job of the furnace door switch inhibits the blower and burner from turning on so as to stop a potential explosion. Do not waste time and have it replaced promptly if it is defective in some way or another.
Key signs of a weakening safety switch on the furnace door
- The door mechanism looks like it is not there
- The furnace will not even begin to start whether the door is off or on
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