The Wilkins 2-975XL2SEU is a Reduced Pressure Principle Backflow Prevention Assembly designed to protect potable water lines from contamination.

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:

• 112-975XL2SEU: 1 1/2 Inches model size
• 114-975XL2SEU: 1 1/4 Inches model size
• 1-975XL2SEU: 1 Inches model size
• 34-975XL2SEU: 3/4 Inches model size

Materials:

• Body: Low Lead Cast Bronze ASTM B584
• Access Covers: Low Lead Cast Bronze ASTM B584
• Fasteners: Stainless Steel, 300 Series
• Elastomers: Silicone
• Elastomers: 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 1013; cUPC; CSA B64.4; AWWA C511; UL/C-UL Classified; NSF/ANSI/CAN 61 & 372; Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California

Features & Benefits:

• Health Hazard Protection: Protects against both backsiphonage and backpressure of contaminated water into potable water supply where a potential health hazard exists.
• Lead-Free Compliance: Meets NSF/ANSI/CAN 61 and 372 standards with less than 0.25% weighted average lead content for safe drinking water applications.
• Easy Maintenance Access: First and second checks are accessible for maintenance without removing the relief valve or the entire device from the line.
• Optional Flood Detection: Can be configured with a relief valve sensor that detects and signals excessive water discharge to prevent property damage from flooding.

FAQ

Q: What is the proper installation height for the Zurn 2-975XL2SEU?

A: 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.

Q: Can this backflow preventer be installed outdoors?

A: Yes, the Wilkins 2-975XL2SEU can be installed outdoors. However, a protective enclosure is recommended, and proper drainage must be provided.

Q: What options are available with the 2-975XL2SEU model?

A: Options include union ball valves (U suffix), street elbows (SE suffix for 3/4" & 1" sizes), test cocks up (TCU), integral male 45° flare SAE test fitting (FT), bronze "Y" type strainer (S), and relief valve excessive discharge sensor for flood detection (MS).

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