Wilkins 1-975XL | Reduced Pressure Principle Backflow Assembly
Wilkins 1-975XL | Reduced Pressure Principle Backflow Assembly is backordered and will ship as soon as it is back in stock.
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Wilkins 1-975XL | Reduced Pressure Principle Backflow Assembly
The Wilkins 1-975XL is a 1-inch reduced pressure principle backflow assembly designed to protect potable water supplies from backsiphonage and backpressure contamination in high hazard, non-potable water applications.
Key Specifications:
- Size: 1 Inches
- Maximum Working Pressure: 175 PSI
- Maximum Working Temperature: 180°F
- Notable Certifications: ASSE 1013, cUPC, UL
- End Connections: Threaded ANSI B1.20.1
Other Related Variants:
- 34-975XL: 3/4 Inches size
- 114-975XL: 1 1/4 Inches size
- 112-975XL: 1 1/2 Inches size
- 2-975XL: 2 Inches size
Materials:
- Cast Bronze body per ASTM B584
- Cast Bronze access covers per ASTM B584
- Stainless Steel 300 Series fasteners
- Stainless Steel 300 Series springs
- Silicone elastomers
- Buna Nitrile elastomers
- Noryl™ internal 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 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.
Standards Compliance:
ASSE 1013; cUPC; UL Classified; C-UL Classified; CSA B64.4; AWWA C511; USC Foundation for Cross Connection Control; NYC MEA 425-89-M VOL 3
Features & Benefits:
- Dual Protection: Protects potable water from both backsiphonage and backpressure contamination for high hazard applications.
- Durable Construction: Cast bronze body with stainless steel fasteners and springs ensures long-lasting performance in demanding environments.
- Easy Maintenance Access: First and second checks are accessible for maintenance without removing the relief valve or the entire device from the line.
- Versatile Configuration Options: Available with full-port QT ball valves, union ball valves, test cocks, strainers, and multiple configuration options.
FAQ
Q: What is the required installation height for the Zurn 1-975XL?
A: The assembly must be mounted at a minimum of 12 inches and a maximum of 30 inches above adequate drains to ensure proper operation and drainage.
Q: Does the Wilkins 1-975XL require an air gap adapter for indoor installations?
A: Yes, indoor installations require an air gap adapter to prevent submersion and ensure proper drainage of the relief valve discharge.
Q: Can the check valves be serviced without removing the entire assembly from the line?
A: Yes, the Zurn 1-975XL design allows access to the first and second check valves for maintenance without removing the relief valve or the entire device from the line.
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.
