York S1-373-39504-011 Conversion Kit 322057-301 Field technicians typically utilize this

Field technicians typically utilize this Carrier OEM replacement pulley to restore factory-spec airflow in rooftop units (RTUs) and large air handlers where maintaining RPM accuracy is essential for system balance

Durable Construction: High-grade materials resist environmental stressors and ensure consistent electrical contact

induction run design to deliver reliable high-starting torque under load

Using a switch with a different differential pressure set point can lead to unsafe operation or frequent system lockouts

York S1-373-39504-011 Conversion Kit 322057-301 Field technicians typically utilize thisWhen you're dealing with a legacy compressor failure in a York unit, the York S1 373 39504 011 Conversion Kit is the industry standard solution for retrofitting to Generation 2 technology. This GEN2 compressor conversion kit is engineered specifically to adapt older chassis to modern high efficiency scroll or reciprocating compressors without requiring a full system overhaul. As a technician, you know the headache of mismatched mounting footprints and