Wilkins 720A 1" Pressure Vacuum Breaker (Bronze, 150 PSI)

The Wilkins 720A 1" Pressure Vacuum Breaker (PVB) provides reliable backsiphonage protection for irrigation and other line applications where a high-hazard condition may exist. Built around a cast bronze body and top, the 720A is designed for straightforward installation, field serviceability, and long-term durability in commercial and residential systems.

• Model: Wilkins 720A, nominal 1" size with female threaded end connections.
• Materials: Cast bronze body (ASTM B584), stainless-steel fasteners and springs, silicone and Buna-N elastomers, polypropylene/Delrin internal polymers.
• Performance: Maximum working pressure 150 PSI; maximum working temperature 110°F; hydrostatic test pressure 300 PSI.
• Standards & Certifications: ASSE 1020 listed; IAPMO and CSA certified; accepted by the Foundation for Cross-Connection Control and Hydraulic Research (USC).
• Service Features: Includes full-port shutoff ball valves and two test cocks for field testing; design allows in-place servicing without removing the assembly from the line.
• Support & Parts: Repair kits and replacement components are available to simplify maintenance and extend service life; 1-year limited warranty on select parts.

This Wilkins 720A PVB is commonly specified for irrigation and other applications requiring dependable protection against back-siphonage. Install in an accessible, above-ground location per local codes and manufacturer's instructions; winterization and periodic testing are recommended to maintain proper operation.