Watts 774-NRS 8 - Part of the 774 Series Drain Fitting while the square ductile-iron top

while the square ductile-iron top offers a stable

6 Body Material Lead Free Copper Silicon Alloy Brand Watts Corrosion Resistant Coating No Disc Material EPDM EAN 098268331967 Gauge Option No Gauge High Pressure Reduced Pressure Range 75 to 125 PSI High Pressure Reduced Pressure Setting 90 PSI Inlet Connection Size 2 IN Inlet Connection Type Union Joint Inlet Thread Type NPT Lead Free YES Maximum Operating Temperature-Fahrenheit 180 Maximum Working Pressure-BAR 20

Universal retrofit design compatible with most 12″ × 12″ × 6″ floor sinks

ZN415-BZ1-DP-4NH

Traffic-Rated Grate with High Flow CapacityDesigned to support pedestrian or vehicle loads while allowing efficient drainage under heavy storm conditions

Watts 774-NRS 8 - Part of the 774 Series Drain Fitting while the square ductile-iron topThis 8 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