350AST

Double Check Backflow Preventer

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Zurn Wilkins

The 350AST Double Check Backflow Assembly protects against backsiphonage and backpressure in low health hazard applications. The use of our Patented Compound Check guarantees reliable performance and improved flow characteristics, making installation ideal for lower-pressure systems. Its 304L grade stainless steel valve body and access covers are corrosion-resistant for lower lifetime maintenance costs. Its lightweight design and short lay-length also ensures easy, compact installation. Choose from multiple shut-off and end connection options such as flanged, grooved, or grooved x flanged for ultimate versatility.

Where to Buy

Stainless steel body and access covers offer corrosion-resistance
Lightweight design and short lay-length ensures easy, compact installation
Ideal for any Backflow Preventer replacement
Model 350ASTR available for custom length, drop-in replacements
Multiple gate valve and end connection options provides installation versatility
ASSE® Listed and AWWA Compliant
UL® Classified and C-UL® Classified
FM® Approved