Wilkins 720A 3/4" Pressure Vacuum Breaker (PVB) - Bronze

The Wilkins 720A 3/4" Pressure Vacuum Breaker (PVB) is a heavy-duty backflow prevention assembly engineered to protect potable water supplies from backsiphonage in high-hazard, non-potable irrigation and light commercial applications. Constructed with a cast bronze body and corrosion-resistant internal parts, the 720A combines proven reliability with straightforward servicing to keep systems compliant and operating safely.

• Size & Connections: 3/4" nominal size with female threaded inlet and outlet; compact 7" overall height for tight installations.
• Materials & Construction: ASTM B584 cast bronze body and bonnet, 300-series stainless steel fasteners, and FDA-approved elastomers and polymers for corrosion resistance.
• Performance: Rated to 150 PSI maximum working pressure and 110°F maximum water temperature; hydrostatic test pressure 300 PSI.
• Includes: Approved check valve, vacuum relief, two test cocks, and inlet/outlet full-port resilient-seated shut-off ball valves for serviceability.
• Certifications: ASSE 1020 listed and IAPMO/CSA recognized; approved by the USC Foundation for Cross-Connection Control and Hydraulic Research.
• Applications & Benefits: Ideal for non-potable residential and commercial irrigation where high-hazard protection is required; designed for long service life and easy maintenance.

Replacement parts, a specification sheet, installation and maintenance instructions, and a product flyer are available for download. Follow local plumbing codes and the supplied manuals for proper installation. Contact a licensed plumber or technical support for system-specific guidance and to ensure code compliance.