Description
The Lennox 18K43 Auto Limit Switch, a protective mechanism applied in HVAC and widely used in gas furnaces and oil burners. It works like a thermostat that turns off the system when the temperature gets too high, a range of 270-300°F to avoid burning the equipment. The Lennox is an automatic reset limit switch, which means that it resets automatically when the temperature goes below the set limit. The switch itself is a rather small piece, Advantages of using the Lennox Auto Limit Switch are enhanced safety due to protection from overheating and safeguarding your HVAC equipment.
