York S1-028-12361-700 Pulley Variable 321894-706 This multi-speed HVAC motor features

This multi-speed HVAC motor features three distinct speed taps

Operating on 24 Vac power

Built to withstand the rigors of commercial refrigeration

The Integra-Seal design is specifically made so the technician can adjust the valve position while the cap is on

Robertshaw 11-204 Polyphosphate Filter

York S1-028-12361-700 Pulley Variable 321894-706 This multi-speed HVAC motor featuresThe York S1 028 12361 700 Pulley Variable is an essential OEM component designed for precise HVAC blower speed adjustment and airflow balancing. As a variable pitch sheave, this part allows technicians to fine tune the drive ratio by adjusting the distance between the threaded angular discs. When the flanges are moved closer, the belt pitch diameter increases, raising the driven speed; conversely, widening the gap lowers the diameter to reduce fan