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The Wilkins 2-975XL2FT is a 2-inch reduced pressure principle backflow preventer designed to protect potable water systems from both backsiphonage and backpressure contamination where potential health hazards exist.

Key Specifications:

• Size: 2 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:

• 3/4-975XL2FT: 3/4 Inch model size
• 1-975XL2FT: 1 Inch model size
• 1 1/4-975XL2FT: 1 1/4 Inch model size
• 1 1/2-975XL2FT: 1 1/2 Inch model 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 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. For indoor installations, 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; Meets NSF/ANSI/CAN 61 and 372; UL Classified (less shut-off valves or with OS&Y valves); C-UL Classified

Features & Benefits:

• Health Hazard Protection: Provides protection against backsiphonage and backpressure of contaminated water where potential health hazards exist in potable water systems.
• Lead-Free Compliance: Constructed with low lead cast bronze meeting NSF/ANSI/CAN 372 standards, ideal for use where lead-free valves are required.
• Easy Maintenance Access: First and second checks are accessible for maintenance without removing the relief valve or the entire device from the line, simplifying service procedures.
• Integral Test Fittings: The Zurn 2-975XL2FT features integral male 45° flare SAE test fittings for convenient field testing and maintenance.

FAQ

Q: What is the required installation height for the Zurn 2-975XL2FT?

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 backflow preventer be installed outdoors?

A: Yes, it can be installed outdoors with a protective enclosure. However, indoor installations require an air gap adapter to prevent submersion.

Q: What is the hydrostatic test pressure rating?

A: The Wilkins 2-975XL2FT has a hydrostatic test pressure rating of 350 PSI with a maximum working water pressure of 175 PSI.

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