For technicians managing hydronic heating systems

to meet specific system static pressure requirements

Universal Compatibility: Serves as the official field replacement for the HS3GF16A24

opening the 1/8" orifice to discharge gas before automatically resealing when the liquid returns

is essential for maintaining the sequence of operation in commercial and residential heating systems

Liebert B-005AS Sheave 30067439-890 For technicians managing hydronic heatingThe Liebert B 005AS Sheave is a high precision, single groove cast iron sheave engineered for critical environment HVACR systems. Built with a 7 8" finished bore and a 4. 75" outside diameter, this component is designed to maintain exact blower speeds in Liebert precision cooling units. As an OEM replacement part, it ensures proper belt alignment and consistent torque transmission, which are vital for preventing premature bearing failure and