NOTICE: Product images may vary from the actual item due to differences in size or configuration options.

The Wilkins 112-720A is a 1 1/2 inch pressure vacuum breaker assembly designed to protect potable water systems from backsiphonage in irrigation applications.

Key Specifications:

• Size: 1 1/2 Inches
• Maximum Working Water Pressure: 150 PSI
• Maximum Working Water Temperature: 110°F
• Notable Certifications: ASSE 1020, UPC, CSA B64.1.2
• End Connections: Threaded ANSI B1.20.1

Other Related Variants:

• 12-720A: 1/2 Inch version
• 34-720A: 3/4 Inch version
• 1-720A: 1 Inch version
• 114-720A: 1 1/4 Inch version
• 2-720A: 2 Inch version

Materials:

• Cast Bronze body constructed to ASTM B584 standards
• Stainless Steel fasteners and springs (300 Series)
• Silicone elastomers
• Buna Nitrile elastomers
• Polypropylene polymers
• POM Acetal (Delrin) polymers

Typical Installation:

Local codes shall govern installation requirements. Unless otherwise specified, the assembly shall be mounted at a minimum of 12 inches above the highest piping or outlet downstream of the device. Install with adequate drain and sufficient side clearance for testing and maintenance. The installation shall be made so that no part of the unit can be submerged. A pressure vacuum breaker cannot be installed where back-pressure could occur or where spillage of water from vent could cause damage.

Standards Compliance:

ASSE Listed 1020; UPC Listed; CSA Certified B64.1.2; Approved by the Foundation for Cross-Connection Control and Hydraulic Research at the University of Southern California

Features & Benefits:

• Backsiphonage Protection: Protects potable water supply from contamination in non-potable irrigation applications where a potential health hazard exists.
• Durable Construction: Cast bronze body with stainless steel fasteners and springs ensures long-lasting performance and corrosion resistance.
• In-Line Maintenance: Includes full-port ball shut-off valves allowing accessible maintenance and testing without removing the device from the line.
• Multi-Agency Certified: Zurn 112-720A meets ASSE 1020, UPC, and CSA B64.1.2 standards with USC Foundation approval for cross-connection control.

FAQ

Q: What is the minimum installation height required for the Zurn 112-720A?

A: The assembly must be installed at least 12 inches above the highest piping or outlet downstream of the device to ensure proper operation and compliance with standards.

Q: Can this pressure vacuum breaker be used in applications with back-pressure?

A: No, the Wilkins 112-720A cannot be installed where back-pressure could occur. It is designed specifically for backsiphonage protection only.

Q: What accessories are compatible with this model?

A: Compatible accessories include complete repair kits, Model 1260XL water hammer arresters, and QT-SET Quick Test Fitting Sets for easy maintenance and testing.

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