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

The Wilkins 12-460XL is a spill-resistant pressure vacuum breaker assembly designed to protect potable water systems from backsiphonage contamination in indoor and outdoor point-of-use applications under continuous pressure.

Key Specifications:

• Size: 1/2 Inches
• Maximum Working Pressure: 150 PSI
• Maximum Working Temperature: 180°F
• Notable Certifications: ASSE 1056, cUPC, CSA B64.1.3
• End Connections: Threaded ANSI B1.20.1

Other Related Variants:

• 34-460XL: 3/4 Inch version
• 1-460XL: 1 Inch model size

Materials:

• Cast Bronze ASTM B 584
• Silicone (FDA Approved)
• Buna Nitrile
• Polypropylene (FDA Approved)
• POM Acetal (Delrin®)
• Stainless Steel, 300 Series

Typical Installation:

Local codes shall govern installation requirements. Unless otherwise specified, the assembly shall be installed in accordance with the manufacturers' instructions and the latest version of the Uniform Plumbing Code. The critical level mark on the assembly shall be mounted at a minimum of 12 inches (305mm) above the highest downstream piping or outlet. Install with sufficient side clearance for testing and maintenance. The installation shall ensure that no part of the assembly can be submerged.

Standards Compliance:

ASSE Listed 1056; cUPC Listed; CSA Certified B64.1.3; Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California; NSF/ANSI/CAN 61; NSF/ANSI/CAN 372

Features & Benefits:

• Spill-Resistant Design: Separate diaphragm seals the air inlet from the water supply preventing spillage during start-up and operation, making it ideal for indoor installations.
• Lead-Free Compliance: Meets NSF/ANSI/CAN 372 low-lead requirements with less than 0.25% weighted average lead content, ensuring safe drinking water protection.
• Replaceable Modular Cartridge: Thermoplastic modular cartridge design allows for easy maintenance and repair without replacing the entire assembly.
• Continuous Pressure Protection: Designed for use under constant pressure to provide reliable protection where potential health hazards exist from backsiphonage.

FAQ

Q: What is the minimum installation height required for the Zurn 12-460XL?

A: The critical level mark on the assembly must be mounted at a minimum of 12 inches above the highest downstream piping or outlet to ensure proper operation and prevent submersion.

Q: Can the Wilkins 12-460XL be used in back-pressure conditions?

A: No, a spill-resistant pressure vacuum breaker cannot be installed where back-pressure could occur. It is designed only for protection against backsiphonage conditions.

Q: What accessories are available for the Zurn 12-460XL?

A: Available accessories include complete repair kits, rubber-only repair kits, Model 1260XL water hammer arrester, and QT-SET Quick Test Fitting Set for easy testing and maintenance.

"Hydrate Everyone, Everywhere!" BottleFillingStations.com | Contact us