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LG ARNU073SER2 Limit Switch
A normal limit switch has a sensor located in the furnace that decides when the air is warmed to a point to activate the main blower. Limit switches are built due to the fact that if the air inside the furnace is too cool then the house will never get warm enough.
Major clues critical limit switch will eventually need to be replaced
- The system starts to behave erratically repeatedly
- The heating and AC system will not start nor will it stay running even though max temp has not been reached
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If you are going to be buying or ordering a replacement limit switch for your LG ARNU073SER2, do your due diligence and make sure of the model number as well as make a visual comparison so that you are positive that the correct limit switch is the one being purchased. It is easy to replace a limit switch on your LG ARNU073SER2 so long as you are handy and possess the time and energy needed to do the job.
Feel free to download your manual for help.
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