Product Overview

The Zurn Wilkins 34-710 3/4" 710 Pressure Vacuum Breaker Assembly is a compact, durable backflow prevention device designed to protect potable water supplies from contamination caused by backsiphonage.

This pressure vacuum breaker is commonly used on residential and commercial irrigation systems where protection against potential high-hazard backsiphonage is required. Its lightweight bronze body, corrosion-resistant construction, and stainless steel shutoff handles make it a dependable solution for outdoor irrigation and water control applications.

The 34-710 is designed with fewer internal parts for easier service, a compact profile for tight spaces, and standard 3/4" FNPT inlet and outlet connections for professional plumbing installation.

Ideal For

• Residential irrigation systems
• Commercial irrigation systems
• Lawn sprinkler systems
• Outdoor water supply protection
• Backflow prevention applications
• Potable water backsiphonage protection
• High-hazard irrigation installations
• Replacing older pressure vacuum breakers
• Compact plumbing areas with limited clearance
• Professional plumbing and irrigation installations

Key Features

• 3/4" pressure vacuum breaker assembly — designed for compatible irrigation and water control systems.
• Protects against backsiphonage — helps prevent contaminated water from entering the potable water supply.
• Series 710 compact design — lightweight and space-saving compared with many traditional PVB assemblies.
• Bronze body construction — durable valve body built for long-term water control applications.
• Stainless steel shutoff handles — corrosion-resistant handles designed for outdoor use.
• 150 PSI maximum pressure rating — suitable for standard irrigation system pressure requirements.
• 33°F to 140°F temperature range — designed for approved cold-water irrigation applications.
• ASSE 1020 listed — meets recognized pressure vacuum breaker backflow prevention standards.
• FNPT threaded connections — standard female threaded inlet and outlet for professional installation.
• Low-maintenance design — fewer parts help simplify servicing and repair.
• Residential or commercial use — suitable for a wide range of irrigation backflow prevention needs.
• Serviceable check and air inlet assembly — designed for maintenance with proper replacement parts when needed.

Benefits

The Zurn Wilkins 34-710 helps protect drinking water systems by preventing backsiphonage from irrigation lines. Irrigation systems can contain fertilizers, lawn chemicals, soil, bacteria, and other contaminants, making proper backflow prevention an important part of safe plumbing design.

Its compact Series 710 design makes it easier to install in space-limited areas, while the durable bronze body and corrosion-resistant components provide dependable performance in outdoor environments. The service-friendly internal design also helps reduce maintenance complexity over time.

For contractors, plumbers, and irrigation professionals, the 34-710 is a practical, code-conscious backflow prevention solution for residential and commercial irrigation systems.

Specifications

Included Components

• 1 × Zurn Wilkins 34-710 3/4" 710 Pressure Vacuum Breaker Assembly
• Integrated check valve assembly
• Air inlet / vent assembly
• Inlet and outlet shutoff valves
• Test cocks
• Stainless steel shutoff handles

Installation fittings, unions, piping, insulation, enclosure, freeze protection accessories, replacement repair kits, and installation labor are sold separately unless specifically included by the supplier.

Compatibility Notes

This pressure vacuum breaker is intended for approved 3/4" irrigation and outdoor water line applications requiring backsiphonage protection.

Common use applications include:

• Lawn sprinkler systems
• Residential irrigation supply lines
• Commercial irrigation supply lines
• Outdoor water control systems requiring pressure vacuum breaker protection
• Replacement of compatible 3/4" PVB assemblies

Always confirm local plumbing code, required backflow device type, installation height, freeze protection requirements, and testing requirements before ordering.

Installation Notes

This pressure vacuum breaker should be installed by a qualified plumber, irrigation professional, or backflow-certified installer where required by local code.

Install the unit upright and above the highest downstream piping or outlet according to local code requirements. Many applications require installation at least 12" above the highest downstream outlet, but local requirements may vary.

The assembly should not be installed where it can be submerged, exposed to freezing without protection, or subjected to backpressure conditions outside its approved use. After installation, the device may need to be tested by a certified backflow tester depending on local regulations.

Customer-Facing Q&A

Q: What is the Zurn Wilkins 34-710 used for?
A: It is a 3/4" pressure vacuum breaker assembly used to help protect potable water systems from backsiphonage, commonly in irrigation systems.

Q: What is the SKU?
A: The SKU is 34-710.

Q: What is the UPC?
A: The UPC is 612052300221.

Q: What size is this pressure vacuum breaker?
A: This model is 3/4".

Q: What type of connections does it have?
A: It uses FNPT x FNPT threaded connections.

Q: What is the maximum pressure rating?
A: The maximum working pressure is 150 PSI.

Q: What is the temperature range?
A: The temperature range is 33°F to 140°F.

Q: Is this used for irrigation systems?
A: Yes. It is commonly used for residential and commercial irrigation systems.

Q: Does this protect against backpressure?
A: No. Pressure vacuum breakers are designed for backsiphonage protection only. If backpressure protection is required, a different backflow assembly may be needed.

Q: Is this ASSE listed?
A: Yes. The Zurn Wilkins 710 series is ASSE 1020 listed.

Q: Can this be installed below ground?
A: No. Pressure vacuum breakers must be installed above grade in an approved upright position and should not be submerged.

Q: Should this be professionally installed?
A: Yes. Professional installation is recommended, and some jurisdictions require installation and testing by certified backflow professionals.