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Nordyne M3RL Limit Switch
A normal limit switch has a sensor in the air handler that makes the determination when the air is warm enough that it can be circulated throughout the house. Limit switches exist because if the air is too cool inside the furnace to begin with, then you will never get hot air through the ducts.
Important clues of a poorly performing critical limit switch
- System refuses to start or continue to run longer than 10 minutes
- The system begins to shut down unexpectedly more than once
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If you decide on picking up or ordering a replacement limit switch for your Nordyne M3RL, do your due diligence and make sure of the correct model as well as make a visual inspection so that you are positive that the correct limit switch is the one being purchased. Some pros may charge higher prices than others so it is best to shop around to acquire the best rate if you want to pay bottom dollar.
Feel free to download your manual for help.
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