Watts 774-OSY 3 - Part of the 774 Series ADS Z668-4NH-VP

Z668-4NH-VP

and has an outlet on both sides to connect to drain pipe

00 Minimum Temperature-Fahrenheit 0 Operating Torque Does Not Apply To Product Outlet Connection Size 3 IN Outlet Connection Type Socket Outlet Thread Type Does Not Apply To Product Part Number 0450175 Port Type Full Seat Material Virgin PTFE Series LFB6090-SS Stem Packing Material Virgin PTFE Stem Shaft Material 316 Stainless Steel Stem Type Blowout Proof Thrust Washer Material Virgin PTFE Type Kit Valve Style 2-piece WOG Rating 400 psi UPC - 098268601725

Remove heavy surface flows from impervious surfaces with the Dura Slope® Channel Drain

Durable construction suitable for long-term rooftop exposure

Watts 774-OSY 3 - Part of the 774 Series ADS Z668-4NH-VPThis lead free double check valve assembly backflow preventer, 3 inch, is designed to prevent the reverse flow of contaminated 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. It is ideal for protection at cross connections identified as non health hazard applications and from other contaminants