Lennox 44L72 Auto Limit Switch 100°F-145°F

The Lennox 44L72 Auto Limit Switch is an HVAC safety feature used in furnaces, air handlers, and heat pumps among other HVAC related equipment. It also serves as a temperature control device that powers off the system if the temperature goes beyond a particular limit that is mostly between 100°F and 145°F. This helps in avoiding overheating of the system and possible destruction of the HVAC system hence making it safe to operate. the Lennox 44L72 Auto Limit Switch is an essential part of the HVAC system.