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Panasonic CU-KS18NKUA Limit Switch
This is important because if the air is too cool inside the furnace to begin with, then the house will never get warm enough. The limit switch contains a sensor in the heat exchanger that can determine if and when the air is actually warm enough for the blower to be activated.
How can I tell if my critical limit switch has a need to be replaced?
- The heating and AC system will not even start nor will it stay running for any length of time
- The system begins to become unpredictable more often than not
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If you are going to be buying or ordering a replacement limit switch for your Panasonic CU-KS18NKUA, do your due diligence and cross-check the model number as well as make a visual comparison so that you are positive that the proper replacement limit switch is the one being purchased. There is no need to install it yourself. Locate a pro in your area to replace the part.
Feel free to download your manual for help.
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