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Carrier 40QAC060 Furnace Door Switch
The furnace door switch prevents the vent fan and burner from switching on in order to prevent injury and fire. Do not try to fix it, just have it changed as soon as you can if you suspect that it is not working.
Major signs of a declining safety furnace door switch
- The door switch looks removed
- The system will not run even with the door closed
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Before you decide on buying or purchasing, do your due diligence and make sure of the correct model as well as make a visual inspection so that you are positive that the right furnace door switch is the one being purchased. Some pros may charge higher prices than others so it is best to shop around to find a good deal if money is of great importance to you.
Feel free to download your manual for help.
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