Zurn Wilkins 34-720A 3/4 Pressure Vacuum Breaker Assembly

The Wilkins Series 720A Pressure Vacuum Breaker Assembly, measuring 3/4 inch, is specifically designed to safeguard against backsiphonage in high health hazard, non-potable residential and commercial irrigation settings. Equipped with an approved check valve, vacuum relief, two test cocks, and resilient seated shut-off valves at the inlet and outlet, this assembly boasts a maximum pressure tolerance of 150 psi and can withstand temperatures ranging from 33°F to 110°F. Its internal components are corrosion-resistant, with a durable all bronze bonnet and body construction that offers enhanced protection against minor freezes. Additionally, the test cocks positioned on the center line of the valve allow for versatile installation options.

This pressure vacuum breaker assembly is meant for installation on potable water lines, ensuring protection against potential back-siphonage of contaminated water into the clean water supply where health hazards may be present. Its visible serial number in any orientation minimizes labor time, further simplifying the installation process while maintaining efficiency. The reliable performance of this assembly consistently delivers top-tier backsiphonage protection, meeting ASSE Listed, IAPMO Listed, and CSA Certified standards. Additionally, it has been approved by the Foundation for Cross-Connection Control and Hydraulic Research at the University of Southern California.

Constructed from cast bronze in compliance with ASTM B584 standards, the main valve body guarantees robustness and durability. Stainless steel fasteners from the 300 series ensure secure and long-lasting attachment. With a focus on corrosion-resistance, strength, and winterization protection, this Wilkins Series 720A Pressure Vacuum Breaker Assembly ensures the safety and integrity of water systems in a variety of applications.

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