Watts 957-NRS-GXG 4 - Part of the 957 Series ZA100F-3NH Sensor activation requires purchase of

Sensor activation requires purchase of an activation kit which can be connected to existing building management systems or the Watts Cellular Gateway

heel-proof grate secured with vandal-proof stainless steel screws

Epoxy-coated cast-iron body with anchor flange for durable installation

50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 1 IN Outlet Connection Type Female Threaded Outlet Thread Type NPT Part Number 0125294 Series LF25AUB-Z3 Standard Reduced Pressure Setting-BAR 3

Watts 957-NRS-GXG 4 - Part of the 957 Series ZA100F-3NH Sensor activation requires purchase ofThis 4 IN lead free stainless steel reduced pressure zone assembly backflow preventer has NRS groove by groove gate valves that work well in limited headroom situations. Ideally suited for referenced cross connections identified as health hazard continuous pressure applications, it prevents the backflow of contaminated water into the potable water supply and protects against backsiphonage and backpressure. The easy maintenance assembly consists of