York S1-028-16451-000 Variable Sheave 1-Groove 5/8″ Bore

The York S1-028-16451-000 is a variable-pitch sheave designed for single-groove belt drive applications in HVAC air handling and blower systems. Engineered to OEM York specifications, this sheave allows field technicians to fine-tune blower speed and airflow without replacing the entire drive assembly — making it an essential component for system balancing and commissioning.

Key Features

• Variable-pitch design enables adjustable blower speed and airflow output
• Single-groove (1GRV) configuration for standard V-belt drive setups
• 5/8″ bore for direct shaft mounting compatibility
• OEM York replacement part — engineered for precise fit and performance
• Ideal for use in air handlers, blowers, and fan coil units

Product Specifications

• Brand: York
• Part Number: S1-028-16451-000
• Sheave Type: Variable Pitch
• Number of Grooves: 1
• Bore Size: 5/8″

Application

This variable sheave is a direct OEM replacement for York HVAC equipment utilizing single-groove belt drive systems. Variable-pitch sheaves allow HVAC technicians to adjust the effective pitch diameter, providing flexibility in balancing airflow to meet design specifications. Compatible with standard V-belts used in York air handling units and blower assemblies.