Zurn 3/4" Wilkins 350XL Double Check Valve Assembly (Lead Free)

Application This valve assembly is designed for installation on water lines to protect against both back-siphonage and back-pressure of polluted water into the water supply. Assembly shall provide protection where a potential health hazard does not exist. Standards Compliance (Horizontal & Vertical) ASSE® Listed 1015 IAPMO® Listed CSA® Certified B64.5 Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California Materials Main valve body: Cast Bronze, ASTM B 584 (3/4-1") Housing: Reinforced Nylon Fasteners: Stainless Steel, 300 Series Elastomers: Silicone (FDA Approved), Buna Nitrile (FDA Approved) Internals: Delrin, NSF Listed Springs: Stainless steel, 300 series Ball Valves: Cast Bronze, ASTM B 584 Struts: Forged Brass ASTM B 124 NOTE: Image depicts 3/4" valve assembly