The Wilkins 114-950XLT2 is a lead-free double check valve assembly designed to protect potable water systems from backsiphonage and backpressure in non-health hazard applications.

Key Specifications:

• Size: 1 1/4 Inches
• Maximum Working Water Pressure: 175 PSI
• Maximum Working Water Temperature: 180°F
• Notable Certifications: ASSE 1015, NSF/ANSI/CAN 61 & 372
• End Connections: Threaded ANSI B1.20.1

Other Related Variants:

• 112-950XLT2: 1 1/2 Inches model size
• 1-950XLT2: 1 Inches model size
• 2-950XLT2: 2 Inches model size
• 34-950XLT2: 3/4 Inches model size

Materials:

• Low Lead Cast Bronze ASTM B 584 (main valve body and access covers)
• Stainless Steel, 300 Series (fasteners, springs, and ball valve handles)
• Silicone (elastomers)
• Buna Nitrile (elastomers)
• Noryl™ (polymers)
• Plastic (test cock cover)

Typical Installation:

Local codes shall govern installation requirements. To be installed in accordance with the manufacturer's 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. If installed below grade, be certain adequate drainage is provided to prevent the device from being submerged.

Standards Compliance:

ASSE Listed 1015; cUPC Listed; CSA Certified B64.5; AWWA Compliant C510; Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California (Horizontal installations only); NSF/ANSI/CAN 61 and 372

Features & Benefits:

• Lead-Free Construction: Meets NSF/ANSI/CAN 372 with less than 0.25% weighted average lead content for safe potable water use.
• Top Access Design: Allows easy maintenance and testing without removing the valve from the line, reducing downtime and labor costs.
• Protected Test Cocks: Test cock plugs prevent fouling from insects, dirt, and debris, ensuring reliable performance and accurate testing.
• Full Port Ball Valves: Threaded ANSI B1.20.1 end connections with full port ball valves provide maximum flow capacity and ease of installation.

FAQ

Q: What size is the Zurn 114-950XLT2 and what are the pressure and temperature ratings?

A: The Zurn 114-950XLT2 is a 1 1/4 inch model rated for 175 PSI maximum working water pressure and 180°F maximum working water temperature.

Q: Can this backflow preventer be installed vertically?

A: Yes, the unit can be installed in both horizontal and vertical flow-up configurations per ASSE 1015 and other standards compliance, though USC Foundation approval applies to horizontal installations only.

Q: What maintenance access does this valve provide?

A: The Wilkins 114-950XLT2 features top access design with separate access covers for each check valve at a 45° angle, allowing service and maintenance without removing the assembly from the line.

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