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Carrier 48XZ060115300 Furnace Door Switch
The furnace door switch is a safety switch which blocks the blower and other risky devices from starting in order to prevent injury and fire. You should have the switch be swapped out as soon as you can if it is causing you problems.
Easy warnings your furnace door switch is in dire straights
- The door switch seems eroded
- The whole system does not begin to work even with the door closed
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