Watts 757-DNRS 4 - Part of the 757 Series snake fencing Removable snap-in grate makes it

Removable snap-in grate makes it easy to clean inside the system

25″ channel reveal) to handle large surface flows

Z645-4NH-VP

UPC - 098268030761

Pro Series™ Channel Drain layout without the hassle of having to saw a straight channel drain and grate to miter an angled turn

Watts 757-DNRS 4 - Part of the 757 Series snake fencing Removable snap-in grate makes itThis 4 inch stainless steel double check valve backflow preventer assembly is designed to prevent the reverse flow of objectionable but not toxic 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. It is ideal for protection at cross connections identified as non health hazards and from other contaminants found at the