Watts 957-NRS-GXG 3 - Part of the 957 Series ADA Pad and an atmospheric vent

and an atmospheric vent

Its heavy-duty cast iron construction ensures durability

UPC - 098268634082

NPT inlet and outlet connections with Viega ProPress® adaptors

mortar beds

Watts 957-NRS-GXG 3 - Part of the 957 Series ADA Pad and an atmospheric ventThis 3 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