Lennox 42J07 Limit Switch What is the difference between

What is the difference between the S84-11 and the S84Z-90

This 8-3/4 inch rod is essential for maintaining precise mechanical translation between the actuator's telescoping piston rod and the damper's crank arm

this unit minimizes resistance and extends the service life of auxiliary signaling paths

High-Temperature Durability: Resilient material properties designed to survive 180°F+ fluid temps and the chemical environment of chlorinated water

007" orifice size significant

Lennox 42J07 Limit Switch What is the difference betweenAs an HVAC technician, you know that a reliable Lennox 42J07 Limit Switch is non negotiable for system safety and performance. This genuine OEM replacement part is an auto reset limit switch engineered to monitor internal plenum temperatures in a variety of Lennox residential and commercial units. Specifically designed as an L220 40F limit switch, it features a fixed temperature setting that triggers the circuit at a high limit of 220F and resets once