Watts 957NRPDA-OSY-GPM 10 - Part of the 957RPDA Series nwgf NPT threaded union inlet by

NPT threaded union inlet by NPT female threaded outlet connections

Reversible clamping collar and dual weepholes to handle seepage and perimeter drainage

UPC - 098268330526

UPC - 098268698268

Asphalt Installation Instructions - Z888-18

Watts 957NRPDA-OSY-GPM 10 - Part of the 957RPDA Series nwgf NPT threaded union inlet byThis 10 inch reduced pressure detector backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and water of non potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. Extremely compact and lighter than traditional designs it is approved for horizontal N pattern