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Mitsubishi MUZ-FD09NA Furnace Door Switch
The furnace door switch stops the draft inducer and ignition sequence from activating in order to prevent injury and fire. Do not waste time and have it exchanged for a new one promptly if it is defective in some way or another.
Subtle hints the safety door switch has very little life left
- The system does not function whether the door is off or on
- The door mechanism looks as if it has been chipped
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Before you decide on buying or ordering, do your due diligence and double check the model number and also make a visual comparison so that you are positive that the correct furnace door switch is being ordered. There is no need to install the replacement part alone. Pay a professional locally to pay to install it for you.
Feel free to download your manual for help.
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