The Wilkins 12-975XL2SAG is a reduced pressure principle backflow prevention assembly designed to protect potable water systems from health hazards in both residential and commercial applications.

Key Specifications:

• Size: 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:

• 112-975XL2SAG: 1 1/2 Inches model size
• 114-975XL2SAG: 1 1/4 Inches model size
• 1-975XL2SAG: 1 Inches model size
• 2-975XL2SAG: 2 Inches model size
• 34-975XL2SAG: 3/4 Inches model size

Materials:

• Body: Low Lead Cast Bronze ASTM B584
• Access Covers: Low Lead Cast Bronze ASTM B584
• Fasteners: 300 Series Stainless Steel
• Elastomers: Silicone
• Elastomers: 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 & 372; UL Classified; C-UL Classified

Features & Benefits:

• Health Hazard Protection: Provides superior protection against backsiphonage and backpressure of contaminated water into potable water systems where potential health hazards exist.
• Lead-Free Compliance: Constructed with low lead cast bronze materials meeting NSF/ANSI/CAN 372 standards with less than 0.25% weighted average lead content, ideal for potable water applications.
• Easy Maintenance Access: First and second checks are accessible for maintenance without removing the relief valve or the entire device from the line, reducing downtime and service complexity.
• Complete Protection Package: Includes bronze Y-type strainer and air gap accessory for comprehensive system protection and indoor installation compliance in a single assembly.

FAQ

Q: What is the required installation height for the Wilkins 12-975XL2SAG?

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 the air gap fitting required for all installations of the Zurn 12-975XL2SAG?

A: The included air gap adapter is required for indoor installations to ensure proper drainage and prevent submersion of the unit.

Q: Can the Zurn Wilkins 12-975XL2SAG be used in high-temperature water applications?

A: Yes, the unit is rated for maximum working water temperatures up to 180°F and maximum working water pressure up to 175 psi.

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