The Wilkins 2-375XLS is a reduced pressure principle backflow preventer assembly designed to protect potable water supplies from contamination in applications 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
• End Connections: FNPT Threads

Other Related Variants:

• 1/2-375XLS: 1/2 Inch model size
• 3/4-375XLS: 3/4 Inch model size
• 1-375XLS: 1 Inch model size
• 1 1/4-375XLS: 1 1/4 Inch model size
• 1 1/2-375XLS: 1 1/2 Inch model size

Materials:

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

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; USC Foundation Approved; NSF/ANSI/CAN 61 & 372

Features & Benefits:

• Lead-Free Compliance: Meets NSF/ANSI/CAN 372 standards with less than 0.25% weighted average lead content for safe potable water applications.
• Comprehensive Protection: The Zurn 2-375XLS protects against both backsiphonage and backpressure of contaminated water into potable water supply systems.
• Integrated Y-Type Strainer: Includes Model SXL lead-free bronze strainer to prevent debris from entering and damaging the backflow assembly.
• Durable Construction: Reinforced nylon housing with stainless steel components and silicone elastomers ensures long-lasting performance in demanding conditions.

FAQ

Q: What is the maximum working pressure for the Zurn 2-375XLS?

A: The maximum working water pressure is 175 psi, with a hydrostatic test pressure rating of 350 psi.

Q: Does this unit require an air gap for indoor installations?

A: Yes, for indoor installations, an air gap adapter is required to ensure proper drainage and prevent submersion.

Q: What are the installation height requirements?

A: The assembly must be installed a minimum of 12 inches and a maximum of 30 inches above an adequate floor drain with sufficient side clearance for testing and maintenance.

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