Watts 774-OSY-GXG 2 1/2 - Part of the 774 Series mainline-adatile - Dual-Color Design: One edge

- Dual-Color Design: One edge features a UV-stable colored rubber (available in Concrete Color

ZN456-3NH-5B

Dual weepholes for enhanced perimeter drainage and structural protection

It has a balanced piston design for applications to regulate pressure in systems that require a constant downstream and accurate flow performance

Watts 774-OSY-GXG 2 1/2 - Part of the 774 Series mainline-adatile - Dual-Color Design: One edgeThis 2 1 2 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 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