The 8" 350DA Double Check Detector Backflow Assembly, with flanged end OS&Y gate valves, protects against backsiphonage and backpressure in low health hazard, fire protection applications. Featuring a metered bypass system, the 350DA efficiently and effectively detects leaks and any unauthorized water use, saving you added costs associated with maintenance and repairs. The Zurn Wilkins Compound Check provides low headloss, and backflow installation is approved in both horizontal and vertical positions.

• Horizontal or vertical installation offers versatility and eases installation
• Lowest lifecycle costs in the Backflow industry
• Patented Compound Check offers reliable performance and improved flow characteristics
• Leak and unauthorized water use detection decreases risk of damage and unnecessary costs
• ASSE® Listed 1048
• CSA® Certified B64.5
• AWWA Compliant C510
• UL® Classified
• C-UL® Classified
• FM® Approved