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Carrier FV4BNF002000 Furnace Door Switch
A furnace door switch is a switch that stops the vent fan and burner from starting so as to avoid injuries. It is crucial to have this part traded for new one swiftly if it is not working in order to prevent injuries.
Some clues the safety door switch will need replacing
- The safety door switch looks breaking off
- The furnace will not even begin to start with the door closed
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