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LG LMN090HE Limit Switch
A normal limit switch contains a sensor in the heat exchanger that can determine when the heated air is warm enough so that it may be pushed through the ducts and out the vents. Limit switches are crucial due to the fact that if the air inside the furnace is too cool then you will never get hot air through the ducts.
Key clues of an ineffective limit type switch
- The HVAC system starts to behave differently often
- The heating and cooling system refuses to start or continue to run longer than 10 minutes
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Before you decide on buying or ordering, do your due diligence and cross-check the correct model as well as make a visual comparison so that you are positive that the proper replacement limit switch is being ordered. There is no rule that says you have to install it yourself. Hire a pro locally to do it for you.
Feel free to download your manual for help.
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