Watts 757N-OSY 3 - Part of the 757 Series Pipe Connection Fitting one diaphragm plate o-ring

one diaphragm plate o-ring

The standard outlet is a no-hub type

The material is puncture and UV resistant and carries an estimated in-ground lifespan of 100 years

00 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 4 IN Outlet Connection Type Flanged Joint Outlet Shutoff Valve Type Post Indicator Valve Outlet Thread Type Does Not Apply To Product Part Number 0112079 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

1/8 inch and a 1/2 inch service check valves

Watts 757N-OSY 3 - Part of the 757 Series Pipe Connection Fitting one diaphragm plate o-ringThis 3 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of contaminated water of non potable quality from being pumped or siphoned into the potable contaminated water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and contaminated water authority requirements. It is ideal for protection at cross connections identified as non health hazards and from other