Carrier 48XL-A48 Limit Switch
The limit switch has a sensor in the heat exchanger that determines if and when the air is warm enough that it can be circulated throughout the house. Limit switches are crucial because if the air is not warm enough the you will lose all the heat as the air flows through the ducts.
What signals that my main limit switch is dying?
- System will not begin or run like it ought to
- The whole system is beginning to become inconsistent on more than one occasion
Feel free to download your manual for help.