The Wilkins 2-375XL is a reduced pressure principle assembly designed for high hazard cross-connection protection in potable water systems.

Key Specifications:

• Size: 2 Inches
• Maximum Working Water Pressure: 175 PSI
• Maximum Working Water Temperature: 180°F
• Notable Certifications: ASSE 1013, CSA B64.4, NSF 61 & 372
• End Connections: Threaded FNPT

Other Related Variants:

• 12-375XL: 1/2 Inch model size
• 34-375XL: 3/4 Inch model size
• 1-375XL: 1 Inch model size
• 114-375XL: 1 1/4 Inch model size
• 112-375XL: 1 1/2 Inch model size

Materials:

• Reinforced Nylon Housing (FDA Approved)
• Stainless Steel Fasteners (300 Series)
• Silicone Elastomers (FDA Approved)
• Buna Nitrile Elastomers (FDA Approved)
• Delrin and Nylon Internals
• Stainless Steel Springs (300 Series)
• Low Lead Cast Bronze Ball Valves (ASTM B 584)
• Stainless Steel Struts (300 Series)

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.

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 and 372

Features & Benefits:

• High Hazard Protection: Protects against both backsiphonage and backpressure of contaminated water into potable water supply where a potential health hazard exists.
• Lead-Free Construction: Meets NSF 372 standards with less than 0.25% weighted average lead content, making it ideal for use where lead-free valves are required.
• Durable Materials: Reinforced nylon housing with stainless steel components ensures long-lasting performance and corrosion resistance in demanding applications.
• Flexible Installation Options: Available with optional strainer, air gap, and various accessories to meet specific installation requirements for indoor or outdoor applications.

FAQ

Q: What is the difference between the Wilkins 2-375XL and other sizes in the 375XL series?

A: The Zurn 2-375XL is the 2 inch model in the series. All sizes feature the same reinforced nylon construction and lead-free certification, but vary in flow capacity, dimensions, and weight. Larger sizes (1-1/4 inch through 2 inch) have higher flow rates and different installation clearance requirements.

Q: Can the Zurn Wilkins 2-375XL be installed outdoors?

A: Yes, the Wilkins 2-375XL can be installed outdoors when housed in a protective enclosure provided by others. For indoor installations, an air gap adapter should be supplied to ensure proper drainage and prevent submersion.

Q: What maintenance is required for the 2-375XL backflow preventer?

A: The assembly should be tested regularly according to local codes and manufacturer instructions. Repair kits are available for maintenance. The installation must provide sufficient side clearance for testing and maintenance, with the unit mounted 12 to 30 inches above adequate drains.

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