York S1-028-07222-000 Fixed Sheave 326070-701 its robust diaphragm is designed

its robust diaphragm is designed for compatibility with common HVAC media within its specified pressure range

this "one-pipe" device is specifically designed to eliminate inaccuracies caused by air stratification in large supply or return air ducts

this kit is the standard for restoring factory-spec flow rates without the need for total valve replacement

Key Benefits: Dual-Stage Calibration: Pre-set at

York S1-028-07222-000 Fixed Sheave 326070-701 its robust diaphragm is designedWhen you are servicing York HVAC systems, maintaining proper blower speed and belt alignment depends on the integrity of the drive components. This OEM York S1 028 07222 000 Fixed Sheave is a single groove drive pulley engineered for specific air handler and furnace blower assemblies. Featuring a 1 inch bore, this cast iron fixed pitch sheave ensures a consistent RPM ratio, preventing the performance drift often seen with worn or substandard