Ensure safe and efficient furnace operation with the Lennox 69W39 (102135-06) Control-Limit switch, rated at 190°F. This OEM high-limit control is designed to shut off the heating system if internal temperatures exceed safe thresholds, helping to prevent overheating and protect critical components. Ideal for Lennox HVAC systems, it offers reliable, factory-specified performance and easy installation as a direct replacement part. Trust this genuine Lennox component for dependable thermal safety in your heating equipment.

Compatible with select Lennox models — always verify fitment before purchasing.