6-350ASTOSY

Double Check Backflow Preventer

6-350ASTOSY

Double Check Backflow Preventer

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.

BIM Resource Where To Buy
  • 6" double check valve assembly with stainless Steel body - flanged OS&Y gate valves
  • 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
BRK6-SSLBF-SEAT1RTNR

Easily swap out what you need with the Check #1 Seat Retainer Repair Kit for 6" models of Zurn 300AST Series & 400ST Series. Pack of 6 check seat retainers.
BRK6-SSLBF-SEAT2RTNR

Easily swap out what you need with the Check #2 Seat Retainer Repair Kit for 6" models of Zurn 350AST/375AST. Pack of 6 check seat retainers.
RK6-375ASTCK1

First Check Assembly Repair Kit for 6" 375AST/375ASTDA/475ST/475STDA
Lead Free Lead Free
MasterSPEC Find us in MasterSpec®
Zurn Wilkins Zurn Wilkins