Watts 757-OSY 3 - Part of the 757 Series Access Tile Z451B-2NH-B-CL

Z451B-2NH-B-CL

Also Available: Galvanized Steel Gopher WireFor projects that require a more economical option

Features Bronze disc

and optional top finishes — cast iron

It features a sensitivity adjuster to eliminate any vibrating condition that may arise from critical flow requirements

Watts 757-OSY 3 - Part of the 757 Series Access Tile Z451B-2NH-B-CLThis 3 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of 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 hazards and from other contaminants found at the service line