Watts 957ZRPDA-BFG-GPM 4 - Part of the 957RPDA Series Sheet Drain It consists of a stainless

It consists of a stainless steel body construction with internal rubber components and is designed for continuous or intermittent pressure applications

ZN1910-4NL

00 Minimum Temperature-Fahrenheit 54 Outlet Connection Size 3/8 IN Outlet Connection Type Flare Joint Outlet Shutoff Valve Type No Shutoff Valve Outlet Thread Type NPT Part Number 0061657 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure Seat Material Noryl Series SD-3 Strainer Yes Specification Sheet - SD-3

Features Cast bronze body construction

Watts 957ZRPDA-BFG-GPM 4 - Part of the 957RPDA Series Sheet Drain It consists of a stainlessThis 4 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 Z pattern installation.