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Carrier FV4CNF003 Furnace Door Switch
A furnace door switch is a switch that prevents the fan and gas ignition from starting so as to stop a potential explosion. Do not try to fix it, just have it exchanged for a new one as quick as you can if you suspect that it is not working.
Some clues the switch on your furnace door is dead
- The switch seems to be fallen off
- The whole system does not run even when you close the door
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Before you decide on buying or ordering, do your due diligence and cross-check the correct model and also make a visual comparison so that you are positive that the correct furnace door switch is the one being purchased. There is no rule that says you have to install the part by yourself. Find a professional in your area to hire and install the part for you.
Feel free to download your manual for help.
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