Reznor 131449 CO Auto Limit Switch 110°F

The Reznor 131449 Cut Out Auto Limit Switch is a temperature-sensitive safety part that is fitted in the heating of HVAC systems to switch off when a specific temperature is reached. It is set to open its electrical contact at 110°F to cut the flow of current to downstream components when high temperatures are detected. The mounting point of the heat exchanger or duct and the sensing element is open to the airflow or surface temperature and is connected to the control circuit. In furnaces and unit heaters, and packaged HVAC systems, it avoids overheating and enables safe and stable operation.