Using an HST relay on an LST system or vice-versa can lead to improper winding engagement and winding damage

Built with a robust zinc body and a balanced valve design

For suction line applications or burnout cleanup on the low side

It should only be used where a timed sequence is required for safety or manufacturer-specific operational logic

Professional technicians understand that a reliable 3/8" Liquid Service Valve is a critical component for maintaining system integrity during routine maintenance or full-scale evacuation

Greenheck SP-A110 Ceiling Exhaust Fan 323080-701 Using an HST relay onThe Greenheck SP A110 is a high performance ceiling exhaust fan engineered for continuous or intermittent ventilation in commercial and light industrial applications. Delivering 110 CFM at 0. 1 inches of static pressure, this unit is built with a direct drive motor configured for 115V, 60Hz single phase power. The low sone centrifugal blower design ensures ultra quiet operation, making it ideal for LEED certified projects and high occupancy