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The Wilkins 2-975XL2TCUSAG is a Reduced Pressure Principle Backflow Prevention Assembly designed to protect potable water lines from contamination where health hazards exist.

Key Specifications:

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

Other Related Variants:

• 112-975XL2TCUSAG: 1 1/2 Inches model size
• 1-975XL2TCUSAG: 1 Inches model size
• 34-975XL2TCUSAG: 3/4 Inches 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 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, an air gap adapter is required.

Standards Compliance:

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

Features & Benefits:

• Health Hazard Protection: Provides protection against both backsiphonage and backpressure of contaminated water into potable water supply.
• Lead-Free Compliance: Meets NSF/ANSI/CAN 61 and 372 standards with less than 0.25% weighted average lead content for safe drinking water.
• Easy Maintenance Access: First and second checks are accessible for maintenance without removing the relief valve or the entire device from the line.
• Complete Package: Includes Test Cocks Up (TCU), Bronze Y-Type Strainer (S), and Air Gap Accessory (AG) for comprehensive installation needs.

FAQ

Q: What is the required installation height for the Zurn 2-975XL2TCUSAG?

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?

A: The included air gap fitting (AG) is required for indoor installations to prevent submersion of the unit. Installation must be made so no part of the unit can be submerged.

Q: What are the maximum operating conditions for this backflow preventer?

A: The Zurn 2-975XL2TCUSAG has a maximum working water pressure of 175 PSI and maximum working water temperature of 180°F, with a hydrostatic test pressure of 350 PSI.

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