Lennox 10M63 Limit Switch ensuring a perfect fit and

ensuring a perfect fit and no-leak seal in the burner manifold

Durable Construction: Engineered to handle extreme 1300°F temperatures at the tip for long-term service life

This enclosed relay provides essential isolation and protection for sensitive controller outputs against inductive kickback

and is designed to integrate seamlessly with both Robertshaw and competitive thermocouples

Lennox 10M63 Limit Switch ensuring a perfect fit andThe Lennox 10M63 Limit Switch is a critical safety component designed for precise thermal regulation within residential and light commercial HVAC systems. Engineered for high reliability applications, this SPDT limit control features an automatic reset function that ensures the system returns to normal operation once temperatures stabilize within the safe functional window. This specific model is a normally closed switch that triggers an open circuit