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Nordyne MS3BC042KA Furnace Door Switch
A furnace door switch is a switch that stops the vent fan and ignitor from turning on so as to avoid injuries. It is important to get the part substituted for a new part immediately if you can, especially if you suspect it is not working properly.
Easy warnings of a failing furnace door switch
- The door switch appears to be damaged
- The furnace will not fire up with the door closed
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If you are going to be buying or purchasing any Nordyne MS3BC042KA replacement part, do your due diligence and make sure of the model number and also make a visual comparison in order to be sure the correct furnace door switch is being ordered. There is no rule that says you have to install it yourself. Search for a pro in your community to pay to install it for you.
Feel free to download your manual for help.
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