this is a direct-acting solenoid

suitable for both HFC and HCFC applications

Does this assembly meet code for high-hazard backflow protection

The unit is factory-calibrated for an 8-13 psi spring range

or diagonal—provided the flow direction matches the arrow on the body and the vent is protected from debris and moisture

Johnson Controls VG7551LT Valve 323613-751 this is a direct-acting solenoidThe Johnson Controls VG7551LT is a high performance 3 4 inch union angle globe valve designed for precision control of hot water, chilled water, and steam in commercial HVAC systems. This 2 way normally open valve features a durable cast bronze body and robust brass trim, ensuring longevity under demanding thermal conditions. With a 7. 3 Cv rating and an equal percentage flow characteristic, it provides stable modulating control, making it a reliable