York S1-028-04764-700 Groove Sheave 322838-753 compact RHLGP-A housing for simplified

compact RHLGP-A housing for simplified piping and wiring

this unit integrates seamlessly into existing control panels while maintaining UL 353 and UL 508 compliance for motor and limit controller standards

Rated for 145 PSI (10 bar) maximum pressure

the diaphragm-isolated spring chamber is a critical feature

How do I mount this relay to a control panel

York S1-028-04764-700 Groove Sheave 322838-753 compact RHLGP-A housing for simplifiedThe 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