The Wilkins 2-975XL3SAG is a 2 Inches reduced pressure principle backflow prevention assembly designed to protect potable water from contamination.

Key Specifications:

• Size: 2 Inches
• Pressure Rating: 25 to 175 PSI
• Temperature Rating: Up to 180°F
• Notable Certifications: ASSE 1013, cUPC, CSA
• Connection Type: FNPT threaded ends

Other Related Variants:

• 112-975XL3SAG: 1 1/2 Inches model
• 114-975XL3SAG: 1 1/4 Inches model
• 1-975XL3SAG: 1 Inches model
• 34-975XL3SAG: 3/4 Inches model

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 (FDA Approved)
• Elastomers: Buna Nitrile (FDA Approved)
• 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 (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. If installed indoors, the installation shall be supplied with an air gap adapter.

Standards Compliance:

ASSE Listed 1013; cUPC Listed; CSA Certified B64.4; UL Classified; C-UL Classified; 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

Features & Benefits:

• Lead-Free Protection: Certified to NSF/ANSI/CAN 61 and 372 with less than 0.25% weighted average lead content, ideal for potable water applications.
• Dual Hazard Protection: Protects against both backsiphonage and backpressure of contaminated water where potential health hazards exist.
• Easy Maintenance Access: First and second checks are accessible through a single access cover without removing the relief valve or entire device from the line.
• Complete Assembly: Supplied with full port ball valves, lead-free wye strainer, and air gap accessory for comprehensive installation needs.

FAQ

Q: What is the minimum and maximum working water pressure for the Zurn 2-975XL3SAG?

A: The Zurn 2-975XL3SAG operates with a minimum working water pressure of 25 PSI and a maximum working water pressure of 175 PSI.

Q: Is the air gap accessory required for all installations?

A: The included air gap fitting is required for indoor installations. For outdoor installations, the air gap accessory is optional but a protective enclosure provided by others is recommended.

Q: What type of maintenance can be performed on the Wilkins 2-975XL3SAG?

A: The first and second check valves share a single access cover for easy maintenance. Test cocks are accessible from the top of the device. Repair kits are available for routine service without removing the entire assembly from the line.

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