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Carrier 58STA13510016 Furnace Door Switch
The furnace door switch is a safety switch which blocks the fan and other risky devices from starting in order to prevent injury and fire. Do not waste time and have it exchanged for a new one as soon as you can especially if you suspect it is not working properly.
Subtle hints your furnace door switch has little life left
- The whole system will not operate with the door closed
- The switch looks chipped
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