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LG LP121HEM Limit Switch
Limit switches are crucial because if the air is too cool inside the furnace to begin with, the you will lose all the heat as the air flows through the ducts. A normal limit switch has a sensor in the heating area that can determine when the air is warmed to a point so that it may be pushed through the ducts and out the vents.
Some warnings main limit switch will have to be replaced
- The heating and cooling system will not even start nor will it stay running even though the desired temperature has not been attained
- The LG system starts to runs spotty time after time
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Before buying or purchasing do your best and double check the model number and also make a visual inspection in order to be sure the correct replacement limit switch is being ordered. HVAC professionals may have higher labor rates than others so it may be beneficial to look around your area to find a good deal if money is of great importance to you.
Feel free to download your manual for help.
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