Fire Hydrant Backflow Preventer With Relief Valve Inlet Threads_NH / NST The female threaded side of

The female threaded side of this adapter will only connect to a 1 inch male National Pipe Tapered (NPT) or National Pipe Straight Hose (NPSH) thread

Firefighting - Structural

Equivalent part number - HA4040F

Cold Resistance

Fire Hydrant Backflow Preventer With Relief Valve Inlet Threads_NH / NST The female threaded side ofReduced pressure zone valve assembly is ideal for use where Lead Free* valves are required. Designed for installation on potable water lines to protect against both backsiphonage and backpressure of contaminated water into the potable water supply. Assembly shall provide protection where a potential health hazard exists. Standards Compliance ASSE Listed 1013 IAPMO Listed CSA Certified B64. 4 AWWA compliant C511 Approved by the Foundation for Cross