The 2-1/2" 350OSY Double Check Valve Backflow Assembly, with OS&Y gate valves, is used on potable water lines in all low health hazard applications for protection against both backsiphonage and backpressure. Its convenient single access cover saves you unnecessary maintenance costs and repair time, and the patented compound check guarantees reliable performance and improved flow characteristics. The epoxy-coated ductile iron body provide corrosion-resistance, and the multiple shut-off and end connection options increase the installation versatility of the 350.

• Short lay-length and multiple connection options provide versatile installation in compact spaces
• Single access cover eases access, reducing maintenance costs and downtime
• Patented Compound Check offers reliable performance and improved flow characteristics
• Complete epoxy coating inside and outside of valve body eliminating exposure to corrosion
• Lead-free
• ASSE® Listed
• CSA® Certified
• IAPMO® Listed
• AWWA Compliant
• UL® and C-LU® Classified