Watts 957NRPDA-OSY-CFM 6 - Part of the 957RPDA Series Basement Window Well and other exposed deck surfaces

and other exposed deck surfaces

For 1 1/4 inch lead free ball valve

maintenance rooms

The Watts RD-200-W is a small-area roof drain designed for primary drainage on lower­slope or small roof patches

0 Outlet Connection Size 1 1/2 IN Outlet Connection Type Butt Outlet Thread Type Does Not Apply To Product Part Number 0124880 Port Type Full Seat Material PTFE Series S-6802 Stem Packing Material PTFE Stem Shaft Material 316 Stainless Steel Stem Type Blowout Proof Thrust Washer Material PTFE Valve Style 3-piece WOG Rating 1000 PSI Specification Sheet - S-6800

Watts 957NRPDA-OSY-CFM 6 - Part of the 957RPDA Series Basement Window Well and other exposed deck surfacesThis 6 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 installation.