350ADA

Double Check Detector Backflow Preventer

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Retrofit
Lead Free
Water Savings
Zurn Wilkins

The 350ADA Double Check Detector Backflow Preventer protects against both backsiphonage and backpressure in low health hazard, fire protection applications. Featuring a metered bypass system, the 350ADA efficiently detects leaks and any unauthorized water use. Its single access cover reduces downtime and added costs associated with maintenance and repairs. Lighter in weight than the 350DA Model, the 350ADA features a short lay-length for compact, versatile installation in horizontal or vertical positions, and is available in a variety of flanged, grooved, or grooved x flanged end connections.

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  • Horizontal or vertical installation offers versatility and reduces installation time
  • Leak and unauthorized water use detection decreases costs over time
  • Patented Compound Check offers reliable performance and improved flow characteristics
  • Lack of threads or taps in cover and body reduces corrosion exposure
  • ASSE® Listed 1048
  • AWWA Compliant C510 (with gates only), and C550
  • CSA® Certified B64.5
  • UL® Classified
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