The Wilkins 2-375 is a heavy-duty reduced pressure principle backflow preventer designed for irrigation systems, protecting against both backsiphonage and backpressure in non-potable water lines.

Key Specifications:

• Size:  2 Inches
• Maximum Working Pressure: 175 PSI
• Maximum Working Temperature: 180°F
• Notable Certifications: ASSE 1013, cUPC, CSA B64.4
• End Connections: Threaded FNPT ANSI B1.20.1

Other Related Variants:

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

Materials:

• Reinforced Nylon housing
• Stainless Steel fasteners (300 Series)
• Silicone elastomers
• Buna Nitrile elastomers
• Delrin internals
• Nylon internals
• Stainless steel springs (300 series)
• 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

Features & Benefits:

• Backflow Protection: Provides comprehensive protection against both backsiphonage and backpressure of contaminated water into potable water supply where potential health hazards exist.
• Durable Construction: Reinforced nylon housing with stainless steel components and silicone elastomers ensures long-lasting performance rated to 350 PSI hydrostatic test pressure.
• Versatile Configuration: Available with optional full port ball valves, street elbows, bronze strainer, and air gap configurations to meet specific installation requirements.
• Easy Maintenance: Designed for above-ground installation with adequate drainage access and sufficient clearance for testing, inspection, and repair.

FAQ

Q: What is the minimum and maximum installation height for the Zurn 2-375?

A: The Wilkins 2-375 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.

Q: Can the Zurn 2-375 be used for potable water applications?

A: No, this backflow preventer is designed for non-potable applications only, specifically for irrigation water lines.

Q: What accessories are available for the Model 375?

A: Available accessories include repair kits, thermal expansion tank (Model XT), soft seated check valve (Model 40XL2), shock arrester (Model 1260XL), QT-SET Quick Test Fitting Set, and blow out/flush fittings for various sizes.

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