Watts 774-DNRS-S 6 - Part of the 774 Series Strata Systems and reliable drainage

and reliable drainage

Integral stainless steel valve seat

UPC - 098268247015

UPC - 098268603217

and finishes to suit diverse project needs

Watts 774-DNRS-S 6 - Part of the 774 Series Strata Systems and reliable drainageThis 6 inch 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 under continuous pressure service and protection at cross connections identified as non health hazards and from other non toxic