The Wilkins 114-975XL2 is a reduced pressure principle backflow preventer designed to protect potable water systems from contamination due to backpressure and backsiphonage.

Key Specifications:

• Size: 1 1/4 Inches
• Maximum Working Water Pressure: 175 PSI
• Maximum Working Water Temperature: 180°F
• Notable Certifications: ASSE 1013, NSF/ANSI/CAN 61 & 372
• End Connections: Threaded ANSI B1.20.1

Other Related Variants:

• 34-975XL2: 3/4 Inches model size
• 1-975XL2: 1 Inch model size
• 112-975XL2: 1 1/2 Inches model size
• 2-975XL2: 2 Inches model size

Materials:

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

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; Meets the requirements of NSF/ANSI/CAN 61 and 372; UL Classified; C-UL Classified

Features & Benefits:

• Health Hazard Protection: The Zurn 114-975XL2 provides reliable protection against both backsiphonage and backpressure where potential health hazards exist in commercial potable water systems.
• Lead-Free Compliance: Constructed with low lead cast bronze meeting 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, reducing downtime and service costs.
• Flood Detection Ready: Configurable with optional relief valve sensor (MS suffix) that detects and signals excessive water discharge to prevent property damage from flooding.

FAQ

Q: What size is the Wilkins 114-975XL2 backflow preventer?

A: The 114-975XL2 is a 1 1/4 inch model. The first part of the model number indicates size: "114" represents 1 1/4 inches.

Q: What is the maximum working pressure and temperature for the Zurn 114-975XL2?

A: The unit is rated for 175 PSI maximum working water pressure and 180°F maximum working water temperature, with a hydrostatic test pressure of 350 PSI.

Q: Can this backflow preventer be installed outdoors?

A: Yes, the 975XL2 can be installed outdoors with an optional protective enclosure (provided by others). It must be mounted 12 to 30 inches above adequate drains with proper clearance for testing and maintenance.

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