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Samsung AVMWH020EA0 Furnace Door Switch
The furnace door switch is a safety switch which inhibits the vent fan and burner from starting in order to prevent injury and fire. You should really have it substituted for a new part quickly if it is not working in order to prevent injuries.
Subtle hints the safety door switch will have to be replaced
- The furnace does not run with the door closed
- The door switch is worn down
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