Watts 757-NRS 3 - Part of the 757 Series Z100F-4NH and long-term environmental exposure

and long-term environmental exposure

bottom loaded blowout proof stem

4 to 10 Body Material Lead Free Cast Copper Silicon Alloy Brand Watts Corrosion Resistant Coating No Disc Material EPDM EAN 098268177275 Gauge Option No Gauge High Pressure Reduced Pressure Range 50 to 145 PSI High Pressure Reduced Pressure Setting 50 PSI Inlet Connection Size 1 IN Inlet Connection Type Union Female Threaded Inlet Thread Type NPT Lead Free YES Maximum Operating Temperature-Fahrenheit 160 Maximum Working Pressure-BAR 20

Modular system facilitating installation and alignment across long runs

Class 150 flanged

Watts 757-NRS 3 - Part of the 757 Series Z100F-4NH and long-term environmental exposureThis 3 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