Zurn Wilkins 720A Pressure Vacuum Breaker Assembly (PVB)

Zurn Wilkins 720A Pressure Vacuum Breaker Assembly (PVB)

Product Overview

The Zurn Wilkins 720A Pressure Vacuum Breaker Assembly (PVB) is designed to provide reliable backflow prevention in irrigation systems. Installed on non-potable water lines, the 720A prevents contaminated water from being siphoned back into the potable water supply. This assembly is ideal for landscape irrigation, sprinkler systems, and other outdoor applications where protection against backsiphonage is required.

Compact and easy to install, the 720A combines durable construction with third-party certifications for compliance. It ensures safe water separation where a potential health hazard exists, making it a trusted choice for irrigation contractors and facility managers.

Features & Benefits

• Wide Range of Sizes – Available in 1/2", 3/4", 1", 1-1/4", 1-1/2", and 2".

• Dependable Backflow Prevention – Protects against backsiphonage in non-potable applications.

• Durable Construction – Engineered for long-lasting performance in irrigation and sprinkler systems.

• Code Compliant – ASSE® 1020, UPC®, and CSA® B64.1.2 certified.

• Trusted Approval – Approved by the Foundation for Cross-Connection Control and Hydraulic Research at USC.

• Easy Installation & Testing – Designed with test ports and a straightforward layout for quick setup and verification.

Specifications

• Sizes: 1/2" – 2"

• Application: Non-potable water irrigation lines

• Function: Protects against backsiphonage only (not backpressure)

• Compliance: ASSE® 1020, UPC®, CSA® B64.1.2

• Approvals: USC Foundation for Cross-Connection Control

• End Connections: FNPT

Installation Tips

• Install on irrigation or sprinkler water lines only (non-potable applications).

• Must be installed at least 12 inches above the highest downstream outlet for proper operation.

• Ensure accessibility for annual inspection, testing, and servicing.

• Follow all local plumbing codes and Zurn installation guidelines.

FAQs

Q: What type of backflow does the 720A protect against?
A: The 720A prevents backsiphonage but is not designed for backpressure situations.

Q: Can this be used on potable water lines?
A: No, the 720A is for non-potable irrigation applications only.

Q: Where is this product most commonly used?
A: It’s widely used in landscape irrigation, sprinkler systems, and other outdoor water lines.

Q: Is it code compliant?
A: Yes, it meets ASSE® 1020, UPC®, CSA® B64.1.2, and USC Foundation approval requirements.