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Carrier 58MXA120 Limit Switch
The limit switch has a sensor in the air handler that can determine when the air is warmed to a point so that it may be pushed through the ducts and out the vents. Limit switches exist because if the air is not warm enough the you will lose heat in the ducts and the vents will just blow cool air.
What warnings should I watch out for to know if my main limit switch is in need of replacing?
- The HVAC system will not start or will not stay running longer than 30 seconds
- The whole system is beginning to become inconsistent repeatedly
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If you are going to be buying or purchasing a new Carrier 58MXA120 replacement part, do your due diligence and double check the correct model and also make a visual comparison in order to be sure the correct replacement limit switch is the one being purchased. Some pros may charge higher prices than others so it is best to shop around to acquire the best rate if you want to pay bottom dollar.
Feel free to download your manual for help.
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