3-350AST - Double Check Backflow Preventer

3-350AST - Double Check Backflow Preventer

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

UPC: 612052111452

Find A Rep

Product Resources

Spec Sheets & Install

BIM / 3D Models / 2D Drawings

Back to Top

Features And Benefits

  • 3" double check valve assembly with stainless Steel body
  • Short lay-length for small space installation
  • Reliable performance and improved flow characteristics from patented compound check allow 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
Proportion 65
Lead Free
Zurn Wilkins
Back to Top

Repair Parts

4" Model 350/450, 2-1/2" - 4" Model 350A Rubber Only and 2-1/2" - 4" Model 375/475 Checks Rubber Only Repair Kit

Check #1 Seat Retainer Repair Kit for 2-1/2" - 4" 350/375/450/475

Check #2 Seat Retainer Repair Kit for 2-1/2" - 4" Models 350/375/450/475

First Check Assembly Repair Kit for 2-1/2", 3" and 4" 350AST/350ASTDA

Second Check Assembly Repair Kit for 3" and 4" 375AST/350AST

Back to Top
Back to Top

Related Products & Accessories

Back to Top