Zurn Wilkins 720A 2" Pressure Vacuum Breaker (PVB) - 2-720A

Zurn Wilkins 720A 2" Pressure Vacuum Breaker (PVB) - 2-720A

The Zurn Wilkins 720A 2" Pressure Vacuum Breaker (PVB) provides reliable backflow protection for high‑hazard, non‑potable irrigation and landscape systems. Built with a cast-bronze body and serviceable components, the 720A is designed for durability, freeze resistance, and easy field maintenance.

Install the 720A a minimum of 12 inches above the highest downstream outlet and avoid locations subject to back-pressure or flooding. Follow the included specification and installation documents for dimensions, testing procedures, and local code compliance. Replacement parts and repair kits are available to extend service life.

Features

• Model: 720A — Size: 2" (also available 1/2"–2`).
• Maximum working pressure: 150 PSI; maximum working temperature: 110°F; hydrostatic test pressure: 300 PSI.
• Construction: main valve body and bonnet cast bronze (ASTM B584); stainless-steel fasteners and springs; silicone and Buna-N elastomers; polypropylene/Delrin internal components.
• Includes full-port inlet and outlet shutoff valves, two centerline test cocks, loaded-air inlet and approved check valve for backsiphonage protection.
• Standards and approvals: ASSE 1020 listed, IAPMO and CSA certified; approved by USC Foundation for Cross-Connection Control and Hydraulic Research.
• Designed for non-potable irrigation and commercial/residential landscape applications where high-hazard protection is required.
• Field serviceable: removable bonnet and available repair kits (for 1-1/4"–2" sizes) allow in-place servicing without removing the assembly from the line.

What our Experts Think

• Trusted 2" Pressure Vacuum Breaker (PVB) for reliable backsiphonage protection in irrigation systems.
• Durable bronze body delivers long-lasting performance and corrosion resistance.
• Designed for commercial and large residential sprinkler systems.
• Easy to test and maintain with two test cocks and full-port shut-off valves.
• Centerline test cocks provide convenient access for faster inspections and servicing.
• Rated for 150 PSI maximum working pressure for dependable operation.
• Certified to ASSE 1020, IAPMO, CSA, and USC Foundation standards for code compliance.
• Ideal for landscape irrigation, parks, sports fields, and commercial properties.
• A dependable choice for contractors and property managers seeking durable, code-compliant backflow protection.

Q&A

Q: What is the Zurn Wilkins 720A 2" Pressure Vacuum Breaker (2-720A)?
A: A 2-inch pressure vacuum breaker (PVB) backflow preventer designed to protect potable water systems from backsiphonage in high-hazard irrigation and non-potable water applications.

Q: Where is the 2-720A commonly used?
A: Residential, commercial, and landscape irrigation systems requiring reliable backflow prevention.

Q: What are its key features?
A: Durable cast bronze body, corrosion-resistant internal components, full-port shutoff valves, centerline test cocks for easier testing, and a serviceable design.

Q: What are the operating specifications?
A: 2" FNPT connections, maximum working pressure of 150 PSI, maximum temperature of 110°F, and hydrostatic test pressure of 300 PSI

Maintenance Tips

• Inspect regularly for leaks, corrosion, and debris buildup.
• Test annually to ensure proper backflow prevention and code compliance.
• Drain and winterize before freezing temperatures to prevent damage.
• Clean components with clean water; avoid harsh chemicals.
• Replace worn seals and parts using compatible repair kits.
• Keep the valve accessible for routine inspection and maintenance.