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Samsung AM18B1C09 Furnace Door Switch
The job of the furnace door switch stops the vent fan and burner from starting in order to prevent injury and fire. It is extremely important that the device is exchanged for a new one immediately if you can, especially if you think it is defective.
Key indicators that my safety furnace door switch is on its last leg?
- The furnace does not turn on whether the door is off or on
- The door switch seems to be breaking off
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