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Carrier FV4BNF005000 Furnace Door Switch
The job of the furnace door switch inhibits the blower and ignition sequence from switching on so as to stop a potential explosion. It is important to get the part replaced immediately if you can, if it is causing you problems.
Major clues of a dying safety furnace door switch
- The door switch seems to be broken
- The furnace does not function whether the door is open or closed
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Before buying or ordering a new Carrier FV4BNF005000 replacement part do your best and make sure of the model number and also make a visual comparison in order to be sure the correct replacement furnace door switch is being ordered. HVAC professionals can be expensive so you may want to ask around to find a good deal if money is a concern.
Feel free to download your manual for help.
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