Watts 757N-OSY 4 - Part of the 757 Series Window Well Cover or smaller wet environments

or smaller wet environments

Truncated Domes have become increasingly popular

Male SAE Threads

60 Standard Reduced Pressure Setting-PSI 80 Strainer No Strainer Material Does Not Apply To Product Thermal Expansion Bypass No Trim Material Does Not Apply To Product Type Kit Valve Style Standard Specification Sheet - LF560

UPC - 098268606805

Watts 757N-OSY 4 - Part of the 757 Series Window Well Cover or smaller wet environmentsThis 4 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