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Nordyne M3RL Series Furnace Door Switch
This switch stops the vent fan and gas ignition being triggered to start in order to prevent injury and fire. Do not try to fix it, just have it changed as soon as possible especially if you suspect it is not working properly.
Clues of a barely functioning furnace door switch
- The door switch looks wrong
- The system does not function even when you close the door
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If you decide on picking up or ordering, do your due diligence and make sure of the correct model and also make a visual comparison in order to be sure the correct furnace door switch is the one being purchased. There is no rule that says you have to replace the part all by yourself. Consult with a professional in your area to pay to install it for you.
Feel free to download your manual for help.
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