Lennox 50F48 Auto Limit Switch 110°F-150°F

The Lennox 50F48 is an Automatic Limit Switch that is mainly used in the HVAC systems. It works like a safety measure and puts the system off, when the temperature is high, between 110°F and 150°F. This is to avoid cases of overheating of the equipment and causing a lot of damage. These limit switches are used in furnaces and air handlers. The temperature preserves the necessary levels within the HVAC system not allowing for breakdowns and expensive repairs. Although the specifications that have been provided here range between 40°F to 150°F, the actual temperature range on which it functions is between 110°F to 150°F.