Best Seller Double Check Backflow Preventer 350AST

Double Check Backflow Preventer 350AST

Backflow preventer 350AST with stainless steel body provides hazard protection with a corrosion resistant and light weight design. The 304L stainless steel body on this backflow prevention device offers corrosion resistance‚ improved flow characteristics‚ and much lighter weight vs iron bodies.

Since it offers shorter lay lengths it fits in any new or existing installation. The Test cocks can be located on either side of the backflow preventer valve. However, On RPZ models‚ the relief valve’s sensing port is located away from the debris path‚ reducing nuisance discharges.

Product Resources

Spec Sheets & Install

BIM / 3D Models / 2D Drawings

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Popular Models

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3-350AST - Double Check Backflow Preventer

3-350AST

The Zurn Wilkins 350AST Double Check Backflow Preventer features a stainless Steel body to protect against corrosion. It provides low hazard protection, while boasting a lightweight design. Multiple shut-off and end connections are available for installation versatility.

To view all options, see the Specification Sheet - Model 350AST

4-350ASTOSY - Double Check Backflow Preventer

4-350ASTOSY

The Zurn Wilkins 350AST Double Check Backflow Preventer features a stainless Steel body and lightweight design. It provides low hazard protection and resists corrosion. Multiple shut-off and end connections are available for installation versatility.

To view all options, see the Specification Sheet - Model 350AST

6-350ASTOSY - Double Check Backflow Preventer

6-350ASTOSY

The Zurn Wilkins 350AST Double Check Backflow Preventer features a stainless Steel body and lightweight design. It provides low hazard protection and corrosion resistance. Multiple shut-off and end connections are available for installation versatility.

To view all options, see the Specification Sheet - Model 350AST

8-350ASTOSY - Double Check Backflow Preventer

8-350ASTOSY

The Zurn Wilkins 350AST Double Check Backflow Preventer features a stainless Steel body and lightweight design. It provides low hazard protection and resists corrosion. Multiple shut-off and end connections are available for installation versatility.

To view all options, see the Specification Sheet - Model 350AST

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Features And Benefits

  • Short lay-length for small space installation
  • Reliable performance and improved flow characteristics from patented Compound Check, allowing for installation in lower-pressure systems
  • Available as 350ASTR for custom length, drop in replacement
  • Ideal for any backflow replacement
  • Lower maintenance costs from corrosion resistance of stainless body
  • Available in flanged, grooved, or grooved X flanged end connections for installation versatility
Lead Free
MasterSPEC
Zurn Wilkins
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