Reznor 106845 CO Auto Limit Switch 350°F

The Reznor 106845 CO Auto Limit Switch is a temperature control component designed to protect heating equipment from excessive heat conditions. It operates by sensing air or surface and automatically opening the electrical circuit when temperatures reach 350F, stopping burner operation to prevent overheating and equipment. It is used in unit heaters, make-up air systems, and commercial gas heating equipment within HVAC Systems such as industrial heaters and ventilation heating units. The is mounted on the heat air stream path and connected to the control circuit for automatic shutdown response.