Description
The Trane CNT04976 Bi-Metal Disc Limit Control 145F open, auto reset is a safety switch used to monitor air temperature inside and protect the system from overheating. It operates using a thermostat that reacts. When the temperature reaches approximately the flexes and opens the electrical circuit, shutting down heating or cooling operation until conditions return to normal. In furnaces, air handlers, and rooftop HVAC systems, it is mounted on the heat or discharge air path to safeguard airflow and prevent component. It is typically during service.
