Fire Hydrant Backflow Preventer Inlet Threads_NH / NST you need this plug

you need this plug

both constructed of 2" nylon webbing

and manufacturing processes such as painting

Golf Course Greens and Tees Watering

Also used with standpipes systems and fire pumpsWARNING: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm

Fire Hydrant Backflow Preventer Inlet Threads_NH / NST you need this plugDouble check valves back flow prevention assembly is used to protect water supplies from contamination or pollution due to back flow. Three top mounted test cocks ensure easy access during repair and maintenance. Consists of two spring loaded poppet type check valves and a mechanically independent, hydraulically dependent pressure differential relief valve. Designed to give maximum protection against back flow caused by back pressure or back siphonage