Watts Series 995QT Reduced Pressure Zone Backflow Preventer 1" (0063117)

«  ↑  » Watts Series 995QT Reduced Pressure Zone Backflow Preventer 1" (0063117) Watts Series 995QT Reduced Pressure Zone Backflow Preventer 1" (0063117) Watts Series 995QT Reduced Pressure Zone Backflow Preventer 1" is designed to protect the potable water supply in accordance with national plumbing codes and water authority requirements. For use in a variety of installations, including health hazard cross connections in internal piping systems and for containment at the service line entrance. For pressures up to 175 psi and water temperature to 180° F continuous. Features: Tubular, lead-free copper body creates smooth flow path and low head loss. External/internal elecroless nickel-plated body acts as an oxygen barrier for corrosion resistance. Threaded-in check modules eliminate the use of check retainers for lower pressure loss. Bottom mounted relief valve effectively reduces end-to-end dimensions allowing smaller enclosures and space requirements. Separate relief valve access cover permits the check modules to be serviced independently of the relief valve. One-of-a-kind relief valve cover nut design eliminates use of cover bolts and simplifies alignment.