Lennox 73W18 Auto Limit Switch 120°F-150°F

The Lennox 73W18 Auto Limit Switch is an essential safety device required in several HVAC equipment, including furnaces and air handlers. It also acts as an overheat cut-off switch commonly at temperatures between 120°F and 150°F. Through the ability to detect temperatures that are above a specific set threshold, it protects the equipment from being damaged by heat. This small part has included that, it keeps the system safe and helps to prolong the service life of the HVAC equipment.