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Wilkins Pressure Vacuum Breaker 2" FPT (PVB) | WK720A-200
Wilkins 720A-200 - 2 inch Pressure Vacuum Breaker Assembly

Our Price: $899.50
Sale Price: $442.48
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Product Code: WK720A-200

Description Reviews

Wilkins 720A 2 inch PVB Backflow Preventer

Designed for installation on potable water lines to protect against backsiphonage of contaminated water into the potable water supply. Assembly shall provide protection where a potential health hazard exists.

Features / Benefits

  • Brass PVB Pressure Vacuum Breaker assembly. Includes: Ball valves (2) and test petcocks. Meets all state and federal requirements pertaining to PVB devices. Designed to Prevent Contaminated / Hazardous Water from getting back into your Drinking Water.


  • Maximum working water pressure 150 PSI
  • Maximum working water temperature 110 degrees F
  • Hydrostatic test pressure 300 PSI
  • End connections threaded ANSI B1.20.1


  • Main valve body: Cast Bronze ASTM B584
  • Fasteners: Stainless Steel, 300 Series
  • Elastomers: Silicone (FDA approved); Buna Nitrile (FDA approved)
  • Polymers: Polypropylene (FDA approved); Delrin® (FDA approved)
  • Springs: Stainless Steel, 300 series

Standards Compliance

  • ASSE ® Listed 1020
  • IAPMO® Listed
  • CSA ® Certified
  • Approved by the Foundation for Cross-Connection
    Control and Hydraulic Research at the University of Southern California

Typical Installation

Local codes shall govern installation requirements. Unless otherwise specified, the assembly shall be mounted at a minimum of 12" (305mm) above the highest piping or outlet downstream of the device. Install with adequate drain and sufficient side clearance for testing and maintenance. The installation shall be made so that no part of the unit can be submerged. A pressure vacuum breaker cannot be installed where back-pressure could occur or where spillage of water from vent could cause damage.

Wilkins Model 720A Indoor Installation Diagram


  • 11" X 7-7/16" X 7-7/16" X 3-1/8"

Wilkins Model 720A Capacity Diagram

Wilkins Model 720A Flow Characteristics Diagram


Manual & Literature

Specification Installation

 Wilkins 720A-075 3/4 inch PVB Backflow Preventer

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