Robust Construction: Nickel-plated forged brass body and chrome-plated brass ball provide long-term reliability in demanding HVAC environments

375 clip ensures a firm thermal contact with copper tubing

and R502 refrigerants

It is rated for a maximum inlet pressure of 2 PSI and features a positive dead-end lock-up (PDEL) capability

Apply a small amount of pipe sealant to the external threads—do not use Teflon tape

York S1-028-10577-700 Fixed Blower Pulley Els PW 17895 Robust Construction: Nickel-plated forged brassThe York S1 028 10577 700 Fixed Blower Pulley is a precision engineered OEM replacement part designed for high demand HVAC blower motor applications. Built for industrial durability, this fixed sheave features a 1 3 16" bore size and a single groove configuration, accommodating a dry back V belt for consistent torque transfer. With an 11 3 4" outside diameter, it provides the exact mechanical advantage required to maintain calibrated cubic feet per