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Carrier 58DLA13510016 Furnace Door Switch
The furnace door switch is a safety switch which blocks the vent fan and burner being triggered to start in order to prevent injury and fire. It is vital that this part be swapped out as soon as possible if you find it to be faulty.
Simple signals your furnace door switch should need replacing
- The furnace does not fire up even with the door closed
- The furnace door switch looks as if it has been removed
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