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The Pressure-Tru® ZW4004SS Pressure Reducing Valve is a floor control valve in automatic sprinkler systems, as well as a standpipe valve for class I and class III systems. The factory set valve regulates pressure under both FLOW and NO-FLOW conditions.

  • Features & Benefits
  • Resources
  • Non-field adjustable, factory set only
  • Factory installed supervisory switch
  • 2-1/2" female NPT inlet and outlet connections
  • Available with grooved inlet and outlet
Zurn Wilkins

Product Resources

Spec Sheets & Install