Watts 774-NRS 3 - Part of the 774 Series silt-fence-selector Membrane-clamp construction with dual weepholes

Membrane-clamp construction with dual weepholes to recapture perimeter seepage and support sealed flooring systems

UPC - 098268637762

Z415-SZ1-4IG

Fits the 1 1/2 IN 3C/G2

4 IN Watts Model G4000-FDA

Watts 774-NRS 3 - Part of the 774 Series silt-fence-selector Membrane-clamp construction with dual weepholesThis 3 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