Lennox 20J83 Auto Limit Switch 135°F-165°F

The Lennox 20J83 Auto Limit Switch, is an essential safeguard that is used in HVAC systems especially oil furnace and gas fired heating system. It acts as an overload protector by switching off the system when temperature becomes too high. If the temperature goes beyond the range of 135°F – 165°F the switch initiates a shut down mechanism protecting the equipment. This SPST limit control provides enhanced safety and reliability to the HVAC system by cutting off when temperature goes high than the limit set. This is to avoid possible damage on the equipment and to enhance safe use of the equipment.