Wilkins 34-975XL3 | Reduced Pressure Principle Backflow Preventer
Wilkins 34-975XL3 | Reduced Pressure Principle Backflow Preventer is backordered and will ship as soon as it is back in stock.
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Wilkins 34-975XL3 | Reduced Pressure Principle Backflow Preventer
NOTICE: Product images may vary from the actual item due to differences in size or configuration options.
The Wilkins 34-975XL3 is a compact lead-free reduced pressure principle backflow preventer designed for potable water protection against backsiphonage and backpressure contamination in health hazard applications.
Key Specifications:
- Size: 3/4 Inches
- Maximum Working Water Pressure: 175 PSI
- Maximum Working Water Temperature: 180°F
- Notable Certifications: ASSE 1013, cUPC, CSA B64.4
- End Connections: FNPT Threaded ANSI B1.20.1
Other Related Variants:
- 112-975XL3: 1 1/2 Inches model size
- 114-975XL3: 1 1/4 Inches model size
- 12-975XL3: 1/2 Inches model size
- 1-975XL3: 1 Inches model size
- 2-975XL3: 2 Inches model size
Materials:
- Low Lead Cast Bronze (ASTM B 584) - Main valve body and access covers
- Stainless Steel (300 Series) - Fasteners and springs
- Silicone (FDA Approved) - Elastomers
- Buna Nitrile (FDA Approved) - Elastomers
- Noryl™ - Polymers and internal components
- Stainless Steel - Ball valve handles
Typical Installation:
Designed for installation on potable water lines where lead-free valves are required to protect against both backsiphonage and backpressure of contaminated water into the potable water supply. 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. If installed indoors, the installation shall be supplied with an air gap adapter.
Standards Compliance:
ASSE Listed 1013; cUPC Listed; CSA Certified B64.4; UL Classified (less shut-off valves); C-UL Classified; AWWA Compliant C511; Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California; NSF/ANSI/CAN 61 and 372 (Less than 0.25% Weighted Average Lead Content)
Features & Benefits:
- Lead-Free Compliance: Meets NSF/ANSI/CAN 372 with less than 0.25% weighted average lead content for safe potable water applications.
- Dual Protection: Protects against both backsiphonage and backpressure contamination where potential health hazards exist.
- Easy Maintenance Access: First and second checks are accessible for maintenance without removing the relief valve or the entire device from the line, sharing a single access cover.
- Durable Construction: Low lead cast bronze body with Noryl™ internal components, stainless steel springs, and FDA-approved silicone elastomers ensure long-lasting performance in demanding conditions.
FAQ
Q: What is the minimum working water pressure required for the Zurn 34-975XL3?
A: The minimum working water pressure required is 25 PSI to ensure proper operation of the reduced pressure principle assembly.
Q: What installation height is required for the Zurn 34-975XL3?
A: 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.
Q: Can the checks be serviced without removing the entire device?
A: Yes, the first and second checks are accessible for maintenance without removing the relief valve or the entire device from the line. The checks share a single access cover and test cocks are accessible from the top of the device.
NOTICE: Do not use with water that is unsafe or of unknown quality without adequate disinfection either before or after the system.
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Always consult with a licensed professional and check local codes before installation. For further details, check the Owners Manual.
Contact us at support@bottlefillingstations.com with any questions.
