Backflows

350AST Series

The Zurn Wilkins 350AST Double Check Backflow Preventer with stainless steel body provides low hazard protection with a corrosion resistant and light weight design. Multiple shut-off and end connections are available for installation versatility.

  • 2-1/2" - 10"
  • 175 PSI Max
  • 140° Max
  • Grooved or flanged end connections
  • Improved Compound Check design
  • Short lay-length for small space installation
  • Lower maintenance costs from corrosion resistance of stainless body