Lennox 49L86 Auto Limit Switch 145°F-175°F

The Lennox 49L86 Auto Limit Switch is a protection device which is essential for HVAC appliances like furnaces and air handlers. It works as an overheat protection switch that turns the system off when the temperature gets too high, between 145°F to 175°F. It reduces any likelihood of subjecting the unit to hazardous conditions which might compromise its efficiency. The limit control is designed with a stilt to facilitate installation and small in size at 3 inches thus suitable for most HVAC systems.