Watts 757-NRS-GXG 8 - Part of the 757 Series Z100F-8NH Z645-4IC-Y

Z645-4IC-Y

Secured stainless-steel cover for enhanced corrosion resistance

Built for heavy-duty applications

ZB400K-4IC

This fabric resists ultraviolet deterioration

Watts 757-NRS-GXG 8 - Part of the 757 Series Z100F-8NH Z645-4IC-YThis 8 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