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Carrier 48GX024060300 Furnace Door Switch
The job of the furnace door switch blocks initial fan and ignition sequence from starting in order to prevent injury and fire. It is imperative that the switch be swapped out as soon as you can if you see that it is broken.
Red flags your furnace door switch should need replacing
- The door mechanism seems to be broken completely
- The system does not operate even with the door closed
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