Watts 774-OSY-GXG 10 - Part of the 774 Series snake fence For tub and shower hand

For tub and shower hand spray sets

This sturdy ductile iron grate

tri-link check valves

Heavy cast iron construction

ZS415SS-4NL

Watts 774-OSY-GXG 10 - Part of the 774 Series snake fence For tub and shower handThis 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