Reznor 123973 Auto Fan Limit Switch 105°F-160°F

The Reznor 123973 Auto Fan-Limit Switch is an essential part that used in HVAC systems to control the fan depending on the internal temperature. This works to control the temperature range of 105°F to 160°F to provide the better heating performance and safety by turning on or off the fan. It is often used in furnaces and unit heaters it has a feature that will only start the fan when the temperature rises above a certain level to avoid overheating and to conserve energy. This is specifically designed for heating equipment and is useful in managing airflow energy use and system longevity. It has a high level of efficiency and contributes to the desired temperature regulation.