Field technicians rely on the Watts 0780321 for its precise thread alignment and structural integrity

leading to quieter operation and longer bearing life

Ensure all connections are leak-tested and the manifold pressure is checked with a manometer during the commissioning process for reliable contractor-grade results in the field

High-Volume Steam Capacity: Designed for boilers of any steaming capacity requiring robust 1-1/4" NPT connections

This model operates on 120Vac and includes a manual reset mechanism

York S1-028-04764-700 Groove Sheave 318973-401 Field technicians rely on theThe York S1 028 04764 700 is an OEM grade Variable 1 Groove Sheave designed for precision airflow calibration in light commercial and residential belt drive HVAC systems. Specifically engineered with a . 875 inch bore (7 8"), this adjustable pitch pulley allows technicians to fine tune blower speeds and system CFM without the need for modular motor changes. This component is essential for air handlers and condensers where field balancing is required