Watts 774-NRS 10 - Part of the 774 Series Window Well Extension This 1/4 through 1/2 IN

This 1/4 through 1/2 IN 009 total relief valve repair kit provides all the parts necessary to replace the major internal components of the applicable reduced pressure zone assembly

UPC - 098268344806

ADA compliant and heel-proof

Pro Series™ Channel Drain

UPC - 098268612370

Watts 774-NRS 10 - Part of the 774 Series Window Well Extension This 1/4 through 1/2 INThis 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