The Wilkins 1-975XL2TCUFT is a reduced pressure principle backflow prevention assembly designed to protect potable water from contamination hazards.

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:

• 34-975XL2TCUFT: 3/4 Inches version
• 112-975XL2TCUFT: 1 1/4 Inches version
• 2-975XL2TCUFT: 2 Inches version

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 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. If installed indoors, the installation shall be supplied with an air gap adapter.

Standards Compliance:

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

Features & Benefits:

• Health Hazard Protection: Protects against both backsiphonage and backpressure of contaminated water into potable water supply where potential health hazards exist.
• Lead-Free Construction: Zurn 1-975XL2TCUFT meets NSF/ANSI/CAN 372 with less than 0.25% weighted average lead content, ideal 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.
• High Temperature and Pressure Rating: Rated for maximum working pressure of 175 PSI and temperatures up to 180°F for reliable performance in demanding conditions.

FAQ

Q: What size is the Zurn 1-975XL2TCUFT model?

A: This model is 1 inch in size with threaded ANSI B1.20.1 end connections and full port ball valves.

Q: What is the purpose of the test cocks up (TCU) configuration?

A: The TCU configuration positions test cocks upward for easier access during testing and maintenance procedures, and includes integral male 45° flare SAE test fittings.

Q: Where should this backflow preventer be installed?

A: Install 12 inches minimum to 30 inches maximum above adequate drains with sufficient side clearance. Indoor installations require an air gap fitting, and the unit must not be submerged.

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