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

The Wilkins 34-975XL3SAG is a lead-free reduced pressure principle backflow prevention assembly designed to protect potable water supplies from contamination where potential health hazards exist.

Key Specifications:

• Size: 3/4 Inches
• Maximum Working Water Pressure: 175 PSI
• Maximum Working Water Temperature: 180°F
• Notable Certifications: ASSE 1013, cUPC, CSA B64.4
• End Connections: FNPT ANSI B1.20.1

Other Related Variants:

• 112-975XL3SAG: 1/2 Inch model size
• 114-975XL3SAG: 1/4 Inch variant
• 1-975XL3SAG: 1 Inch model size
• 2-975XL3SAG: 2 Inch model size

Materials:

• Main valve body: Low Lead Cast Bronze ASTM B584
• Access covers: Low Lead Cast Bronze ASTM B584
• Fasteners: Stainless Steel, 300 Series
• Elastomers: Silicone (FDA Approved)
• Elastomers: Buna Nitrile (FDA Approved)
• 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 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.

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:

• Health Hazard Protection: The Zurn 34-975XL3SAG provides dual protection against both backsiphonage and backpressure of contaminated water into potable water supplies.
• Lead-Free Compliance: Certified to NSF/ANSI/CAN 372 with less than 0.25% weighted average lead content, ensuring safe drinking water quality.
• Easy Maintenance Access: First and second checks accessible through single access cover without removing relief valve or entire device from line.
• Complete Assembly Package: Includes lead-free wye strainer and air gap accessory for indoor installations, providing comprehensive system protection.

FAQ

Q: What is the minimum operating pressure required for the 34-975XL3SAG?

A: The minimum working water pressure required is 25 PSI to ensure proper operation of the reduced pressure principle assembly.

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

A: The included air gap fitting is required for indoor installations. The assembly must be mounted 12 to 30 inches above adequate drains with the installation made so no part of the unit can be submerged.

Q: How often should the 34-975XL3SAG be tested and maintained?

A: Testing and maintenance frequency should follow local codes and regulations. The design allows easy access to checks and test cocks from the top of the device for convenient maintenance without full removal from the line.

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