Watts 774-OSY-GXG 10 - Part of the 774 Series snake fence ZS415SS-4NL

ZS415SS-4NL

This sturdy ductile iron grate

SKAPS GT-116 resists ultraviolet deterioration

tri-link check valves

Heavy cast iron construction

Watts 774-OSY-GXG 10 - Part of the 774 Series snake fence ZS415SS-4NLThis 10 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 contaminants