This L170-40F limit switch functions as a primary high-limit control

Robust Build: Durable nylon construction resists corrosion and environmental stress in mechanical rooms

restoring the hydraulic balance necessary for peak thermal performance

verify the 115V rating and lead protection requirements for your specific installation site

verifying the B-value and resistance-temperature curve is essential for maintaining system efficiency and protecting high-value inventory from temperature drift

York 2EC0402 Sensor Kit 323269-701 This L170-40F limit switch functionsIntegrate professional grade monitoring into your HVAC systems with the York 2EC0402 Sensor Kit, a critical component for field installing dual enthalpy economizer control. Designed for use with 3 to 25 ton single package units, including the ZF, ZJ, and ZR series, this kit enables the Smart Equipment (SE) control board to transition from basic dry bulb detection to sophisticated enthalpy based logic. By measuring both sensible temperature and latent