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Carrier FY4ANF030000 Furnace Door Switch
This switch blocks the blower and ignitor from activating so as to stop a potential explosion. You should have the switch be exchanged for a new one at once if you find it to be faulty.
What are the clues to watch out for to know my furnace door switch is failing?
- The furnace does not turn on even with the door closed
- The furnace door switch looks like it is eroded
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Before you decide on buying or purchasing any Carrier FY4ANF030000 part do your best and cross-check the model number as well as make a visual inspection so that you are positive that the correct replacement furnace door switch is being ordered. If you are not sure about the properly replacing the new furnace door switch on your own then it would be in your best interest to find a professional in your area to do the work for you.
Feel free to download your manual for help.
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