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Carrier 58STX07010016 Limit Switch
The reason limit switches exist is because if the air is not warm enough the you will lose heat in the ducts and the vents will just blow cool air. A normal limit switch has a sensor in the heating area that decides when the heated air is warm enough that it can be circulated throughout the house.
Major symptoms critical limit switch needs replacing ASAP
- The Carrier system starts to shut down unexpectedly more often than not
- The HVAC system is unable to start or will not stay running like it should
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