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LG ARNU423TMC2 Limit Switch
The 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 built because if the air is not warm enough the you will lose all the heat as the air flows through the ducts.
Major warnings of an unhealthy main limit switch
- Your system is beginning to behave differently from time to time
- Your LG system refuses to kick in or run well like it should
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If you are going to be buying or ordering any LG ARNU423TMC2 replacement part do your best and double check the correct model as well as make a visual inspection in order to be sure the right limit switch is the one being purchased. The installing of a new limit switch can be quite easy provided you energy and have the proper tools to get it done.
Feel free to download your manual for help.
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