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Carrier FY4ANF018000 Furnace Door Switch
The furnace door switch is a safety switch which stops the draft inducer and ignitor from starting so as to stop a potential explosion. Do not waste time and have it substituted for a new part immediately if you can, if it is defective in some way or another.
Key symptoms of a failing safety switch on the furnace door
- The furnace door switch looks as if it has been bent
- The system will not run even when you close the door
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If you are going to be buying or purchasing any Carrier FY4ANF018000 part do your best and double check the model number as well as make a visual comparison in order to be sure the proper replacement furnace door switch is being ordered. Some pros may charge higher prices than others so it may be beneficial to look around your area to find a good deal if you do not want to pay too much.
Feel free to download your manual for help.
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