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

The Wilkins 1-975XL2TCUSAG is a reduced pressure principle backflow prevention assembly designed to protect potable water supplies from contamination where a health hazard exists.

Key Specifications:

• Size: 1 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:

• 34-975XL2TCUSAG: 3/4 Inches size
• 112-975XL2TCUSAG: 1 1/4 Inches size
• 2-975XL2TCUSAG: 2 Inches 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. If installed indoors, 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; NSF/ANSI/CAN 61 & 372; UL Classified; C-UL Classified

Features & Benefits:

• Health Hazard Protection: Protects against both backsiphonage and backpressure of contaminated water into potable water supply.
• Low Lead Compliance: Meets NSF/ANSI/CAN 61 & 372 standards with less than 0.25% weighted average lead content for safe drinking 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.
• Complete Assembly: Includes test cocks up (TCU), bronze Y-type strainer (S), and air gap accessory (AG) for indoor installations.

FAQ

Q: What is the difference between the Zurn 1-975XL2TCUSAG and the standard 975XL2 model?

A: The Zurn 1-975XL2TCUSAG includes test cocks up configuration (TCU), bronze Y-type strainer (S), and air gap accessory (AG) as a complete assembly for indoor installations.

Q: What is the required installation height for this backflow preventer?

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: Can this unit be installed outdoors?

A: Yes, but the unit must not be submerged. For indoor installations, the included air gap fitting (AG) is required. Outdoor installations may use a protective enclosure.

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