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

The Wilkins 112-975XL2U is a reduced pressure principle backflow prevention assembly designed to protect potable water supplies from contamination due to backsiphonage and backpressure where a health hazard exists.

Key Specifications:

• Size: 1 1/2 Inches
• Maximum Working Water Pressure: 175 PSI
• Maximum Working Water Temperature: 180°F
• Notable Certifications: ASSE 1013, cUPC, CSA B64.4
• End Connections: Threaded ANSI B1.20.1

Other Related Variants:

• 1-975XL2U: 1 Inch model size
• 2-975XL2U: 2 Inches model size
• 34-975XL2U: 3/4 Inch model size

Materials:

• Main Valve Body: Low Lead Cast Bronze ASTM B584
• Access Covers: Low Lead Cast Bronze ASTM B584
• Fasteners: 300 Series Stainless Steel
• Elastomers: Silicone and Buna Nitrile
• Polymers: Noryl™
• Springs: 300 Series Stainless Steel
• Ball Valve Handles: Stainless Steel

Typical Installation:

Local codes shall govern installation requirements. To be installed in accordance with the manufacturers' instructions and the latest edition of the Uniform Plumbing Code. Unless otherwise specified, the assembly shall be mounted at a minimum of 12 Inches and a maximum of 30 Inches above adequate drains with sufficient side clearance for testing and maintenance. The installation shall be made so that no part of the unit can be submerged. For indoor installations, the installation shall be supplied with an air gap adapter.

Standards Compliance:

ASSE Listed 1013; cUPC Listed; CSA Certified B64.4; AWWA Compliant C511; Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California; Meets NSF/ANSI/CAN 61 and 372; UL Classified; C-UL Classified

Features & Benefits:

• Health Hazard Protection: Provides robust protection against both backsiphonage and backpressure of contaminated water into potable water supplies where a potential health hazard exists.
• Lead-Free Construction: Meets NSF/ANSI/CAN 61 and 372 standards with less than 0.25% weighted average lead content, ideal for use where lead-free valves are required.
• Durable Materials: Features low lead cast bronze body, 300 series stainless steel fasteners and springs, and silicone elastomers for long-lasting performance and corrosion resistance.
• Easy Maintenance Access: The Zurn 112-975XL2U first and second checks are accessible for maintenance without removing the relief valve or the entire device from the line.

FAQ

Q: What is the required installation height for the Wilkins 112-975XL2U?

A: The assembly must be mounted at a minimum of 12 Inches and a maximum of 30 Inches above adequate drains with sufficient side clearance for testing and maintenance.

Q: Is an air gap fitting required for this backflow preventer?

A: Yes, if the Zurn 112-975XL2U is installed indoors, the installation shall be supplied with an air gap adapter to prevent submersion of the unit.

Q: What type of connection does this assembly have?

A: The assembly comes standard with full port union ball valves and threaded end connections conforming to ANSI B1.20.1.

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