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The Wilkins 2-975XL3FT is a 2" reduced pressure principle assembly designed to protect potable water systems against backsiphonage and backpressure contamination where a potential health hazard exists.

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
• Minimum Working Water Pressure: 25 PSI

Other Related Variants:

• 112-975XL3FT: 1 1/2 Inches version

Materials:

• Main valve body: Low Lead Cast Bronze ASTM B584
• Access covers: Low Lead Cast Bronze ASTM B584
• Fasteners: 300 Series Stainless Steel
• Elastomers: Silicone (FDA Approved)
• Elastomers: Buna Nitrile (FDA Approved)
• Polymers: Noryl™
• Springs: 300 Series Stainless Steel
• 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" (305mm) and a maximum of 30" (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.

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 & 372

Features & Benefits:

• Lead-Free Protection: Meets NSF/ANSI/CAN 61 & 372 standards with less than 0.25% weighted average lead content for safe potable water applications.
• Dual Protection Design: Protects against both backsiphonage and backpressure of contaminated water into potable water supply systems.
• Easy Maintenance Access: First and second checks accessible for maintenance without removing the relief valve or entire device from the line with shared single access cover.
• Durable Construction: Low lead cast bronze body with 300 series stainless steel components and FDA-approved elastomers ensure long-lasting performance and reliability.

FAQ

Q: What is the minimum working water pressure required for the Zurn 2-975XL3FT?

A: The Zurn 2-975XL3FT requires a minimum working water pressure of 25 PSI to function properly.

Q: What installation clearances are required 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. The unit must not be submerged.

Q: Can the 2-975XL3FT be paired with pressure reducing valves?

A: Yes, the assembly pairs well with suggested PRV models including the 500XL3, 600XL3, and 625XL3 pressure reducing valves for a complete system solution.

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