18K43 | 270-300F Auto Limit Switch | Lennox

Lennox 18K43 Auto Limit Switch: A Critical Component for HVAC Systems The Lennox 18K43 Auto Limit Switch is a crucial component in HVAC systems, designed to provide protection against overheating in high-temperature furnace applications. This auto limit switch features a temperature range of 270-300F, ensuring reliable operation within specified temperature limits. By automatically breaking the circuit when temperatures exceed safe levels, the 18K43 Auto Limit Switch helps prevent potential system damage and ensures the safety of equipment and personnel. Its compact design and simple installation make it a convenient and effective solution for various HVAC applications. Trust Lennox 18K43 Auto Limit Switch for reliable temperature monitoring and protection of your HVAC systems. Our HVAC supply store offers the best prices and fast shipping for your industrial needs. Order now to ensure the safety and efficiency of your equipment!