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Front view of Wilkins 720A pressure vacuum breaker, 1-1/4 in FNPT bronze assembly with visible test cocks and shut-off valves.

Wilkins 720A Pressure Vacuum Breaker (1-1/4 in FNPT)

Brand: Zurn Industries, LLC
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$993.35
$757.99
SKU 114-720A

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The Wilkins 720A Pressure Vacuum Breaker (model 114-720A) is a durable backflow prevention assembly designed for high-hazard irrigation and non-potable applications. Built with a bronze body and engineered internal components, it delivers reliable backsiphonage protection for residential and commercial systems.

  • 1-1/4 in nominal size with FNPT threaded connections for straightforward installation.
  • Bronze body construction (ASTM B584) with corrosion-resistant internal parts for long service life.
  • Maximum working pressure 150 PSI and hydrostatic test pressure 300 PSI; operating temperature range 33°F to 110°F.
  • Includes approved check valve, vacuum relief and two center-line test cocks for easy testing and maintenance.
  • Inlet and outlet full-port resilient-seated shut-off valves for positive isolation during service and repair.
  • Certified to ASSE 1020; IAPMO and CSA listed and approved by the Foundation for Cross-Connection Control and Hydraulic Research (USC).

Reference documents including the specification sheet, repair parts list and installation/maintenance instructions are available. Follow local code and the included installation instructions—mount at least 12 inches above the highest downstream outlet and ensure the unit is not submerged. One-year limited warranty; replacement parts and service information available.

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Frequently Asked Questions

What applications is the 720A Pressure Vacuum Breaker suited for?
High-hazard, non-potable residential and commercial irrigation systems. Provides backsiphonage protection where back-pressure is not present.
What are the operating pressure and temperature limits?
Maximum working pressure 150 PSI with 300 PSI hydrostatic test pressure. Operating temperature range 33°F to 110°F.
What materials and certifications does this model have?
Bronze body (ASTM B584) with corrosion-resistant internal parts; ASSE 1020, IAPMO and CSA listed; USC Foundation approved.
How should the unit be installed and maintained?
Mount at least 12 inches above the highest downstream outlet and never submerge. Use the center-line test cocks for periodic testing per the manual.

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