Watts 4 957-NRS-FP - Part of the 957 Series American Wick Drain This product includes eleven 36"

This product includes eleven 36" oak stakes for stable installation

Flashing clamp ensures secure membrane attachment

This backflow assembly includes flood sensor with SentryPlus Alert® technology to detect excessive water discharges from the relief valve

Z199-NB-3NH

This model includes a 4″ x 9″ oval nickel-bronze funnel and a standard no-hub outlet connection

Watts 4 957-NRS-FP - Part of the 957 Series American Wick Drain This product includes eleven 36"This 4 inch stainless steel reduced pressure zone assembly backflow preventer with SentryPlus Alert technology with automatic shutoff ACV for flood detection and prevention is designed to prevent the reverse flow of contaminated water 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, as well as provide alerts and automatic