Lennox 18K69 Electric Heat Limit Switch L333°F

The Lennox 18K69 Electric Heat Limit Switch is an essential safety part and efficiency improveer in HVAC system operations. This limit switch operates at 333°F temperature while controlling heating system temperatures to activate or deactivate the furnace to avoid overheating. This component serves electric heating systems to maintain operational safety by controlling temperatures. Users benefit from automatic reset functionality in the switch that removes the requirement for manual intervention following temperature trips. The product supports different types of HVAC systems including air handlers and electric heat sections that enable its use across commercial and residential heating systems.