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Carrier 48GP Limit Switch
The reason limit switches exist is because if the air never warms up then the house will never get warm enough. A normal limit switch contains a sensor in the air handler that makes the determination when the heated air is warmed to a point for the air to begin normal home circulation.
Key indicators that my limit switch most likely has to be replaced?
- The system starts to shut down unexpectedly from time to time
- The HVAC system will not even start or continue to run longer than 30 seconds
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If you are going to be buying or purchasing a new Carrier 48GP replacement part, do your due diligence and make sure of the correct model as well as make a visual inspection so that you are positive that the correct limit switch is the one being purchased. If you are unsure about installing the new limit switch by yourself then it is probably best to contact a professional to do the work for you.
Feel free to download your manual for help.
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