York S1-028-12012-700 Sheave 321042-401 Key Benefits: Field-Adjustable Settings: While

Key Benefits: Field-Adjustable Settings: While factory-set at 30/50 PSI

Direct Cross-Reference: Eliminates guesswork during AC repair by matching the original lead wire color-coding and harness connectors

"hunting" within the refrigerant circuit

this 3-blade propeller is optimized to move significant air volume while maintaining low noise profiles during high-static operation

maintaining the mechanical seal at the division plate is essential for temperature regulation and protecting the compressor from unintended pressure drops

York S1-028-12012-700 Sheave 321042-401 Key Benefits: Field-Adjustable Settings: WhileThe York S1 028 12012 700 Sheave is a precision engineered OEM replacement pulley designed for high demand HVACR mechanical drive systems. Featuring a specific 1. 1875" bore (1 3 16 inch), this fixed pitch sheave is critical for maintaining the correct blower RPM and ensuring optimal static pressure within your air handler or rooftop unit. This single groove sheave (BK110 series) typically accommodates 4L, A, 5L, or B section V belts, providing the