Watts 957-NRS-GXG 4 - Part of the 957 Series HDPE Perforated stainless-steel ballast guard to

Perforated stainless-steel ballast guard to block debris

The temperature relief is 210 degrees and the pressure relief is 110 psi

UPC - 098268246643

double unions

Lubricant Kit Type Second Check Kit Lead Free YES Product Group BACKFLOW KITS UPC - 098268459395

Watts 957-NRS-GXG 4 - Part of the 957 Series HDPE Perforated stainless-steel ballast guard toThis 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