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Carrier 50HJQ008 Limit Switch
Limit switches exist because if the warmed air is too cool the you will lose all the heat as the air flows through the ducts. A normal limit switch contains a sensor in the air handler that determines if and when the air is actually warm enough for the blower to be activated.
Indications critical limit switch is dying
- The heating and AC system refuses to start or continue to run as it should
- The whole system is beginning to initiate and then stops occasionally
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If you are going to be buying or purchasing, do your due diligence and make sure of the model number and also make a visual comparison so that you are positive that the proper replacement limit switch is being ordered. There is no need to replace the part all by yourself. Search for a pro locally to pay to install it for you.
Feel free to download your manual for help.
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