The Wilkins 2-975XL2SAG is a reduced pressure principle backflow prevention assembly designed to protect potable water supplies from contamination where a potential health hazard exists.

Key Specifications:

• Size: 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:

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

Materials:

• Main valve body: Low Lead Cast Bronze ASTM B 584
• Access covers: Low Lead Cast Bronze ASTM B 584
• Fasteners: Stainless Steel, 300 Series
• Elastomers: Silicone and Buna Nitrile
• Polymers: Noryl™
• Springs: Stainless Steel, 300 Series
• 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 (305mm) and a maximum of 30 inches (762mm) 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 included air gap fitting is required.

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 the requirements of NSF/ANSI/CAN 61 and 372; UL Classified; C-UL Classified

Features & Benefits:

• Health Hazard Protection: Provides protection against both backsiphonage and backpressure of contaminated water into potable water supply 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.
• Easy Maintenance Access: First and second checks are accessible for maintenance without removing the relief valve or the entire device from the line, simplifying service procedures.
• Included Bronze Y-Type Strainer and Air Gap: The Zurn 2-975XL2SAG comes equipped with a bronze Y-type strainer for filtration and an air gap accessory required for indoor installations.

FAQ

Q: What is the required installation height for the Zurn 2-975XL2SAG?

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 accessory required for all installations?

A: The included air gap fitting is required for indoor installations. The installation must be made so that no part of the unit can be submerged.

Q: What type of valves are included with this assembly?

A: The unit comes standard with full port QT ball valves, providing reliable shut-off capability for maintenance and testing.

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