Watts 957NRPDA-OSY-GPM 3 - Part of the 957RPDA Series ZC100F-2NH 1 inch female meter thread

1 inch female meter thread (swivel) inlet by 1 inch union female NPT thread outlet

Available in galvanized and stainless steel options

Full Kit – Neutral channel

Designed to serve as both primary and emergency overflow protection in one unit

50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 6 IN Outlet Connection Type Flanged Joint Outlet Shutoff Valve Type Outside Stem And Yoke Gate Valve Outlet Thread Type Does Not Apply To Product Part Number 0111513 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material Engineered Plastic Series 757 Strainer No Technologies Does Not Apply To Product Tradename None Specification Sheet - 757

Watts 957NRPDA-OSY-GPM 3 - Part of the 957RPDA Series ZC100F-2NH 1 inch female meter threadThis 3 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.