Zurn Wilkins 114-375XL 1-1/4" RP Reduced Pressure Principle Assembly Backflow Preventer Lead-Free
The Reduced Pressure Principle Backflow Preventer shall be certified to NSF/ANSI 372, ASSE® Listed 1013, rated to 180°F, and supplied with full port ball valves. The main body shall be Nylon and the seat disc elastomers shall be silicone. If installed indoors, the installation shall be supplied with an air gap adapter. The Reduced Pressure Principle Backflow Preventer shall be a ZURN WILKINS Model 375XL.
Application
Ideal for use where Lead-Free* valves are required. Designed for installation on potable water lines to protect against both backsiphonage and backpressure of contaminated water into the potable water supply. Assembly shall provide protection where a potential health hazard exists.
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” (305mm) and a maximum of 30” (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 • IAPMO® 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 • UL® Classified (less shut-off valves only, 3/4"-2") • C-UL® Classified (less shut-off valves only, 3/4"-2") • Certified to NSF/ANSI 372* by IAPMO R&T • NSF® Listed-Standard 61, Annex G* *(0.25% MAX. WEIGHTED AVERAGE LEAD CONTENT).
Materials
Housing Reinforced Nylon, FDA approved; Fasteners Stainless Steel, 300 Series; Elastomers Silicone (FDA Approved) Buna Nitrile (FDA Approved); Internals Delrin, Nylon, NSF Listed; Springs Stainless Steel, 300 series; Ball Valves Cast Bronze, ASTM B 584; Struts Stainless Steel, 300 Series.
Features
Sizes 1/2", 3/4", 1", 1-1/4", 1-1/2", 2" Maximum working water pressure 175 PSI; Maximum working water temperature 180°F; Hydrostatic test pressure 350 PSI; End connections Threaded FNPT ANSI B1.20.1.
Technical Documentation
Zurn Wilkins 114-375XL 1-1/4" RP Reduced Pressure Principle Assembly Backflow Preventer Lead-Free Installation and Maintenance Instructions 1/2", 3/4", 1"
Zurn Wilkins 375XL 1-1/4", 1-1/2", 2" Repair Video:
Troubleshooting Sleeve Leakage on the 375XL Reduced Pressure Principle Assembly Video:
Zurn Wilkins 375XL Fast Focus Video:
Zurn Wilkins 375XL Winterizing Your Irrigation System Video:
Zurn Wilkins 375XL Recommissioning Your Irrigation System in the Spring Video:
Cross Reference
Zurn Wilkins 114-375XL 1-1/4" RP Reduced Pressure Principle Assembly Backflow Preventer Lead-Free Crosses:
- Watts 009, 009QT, LF009, LF009QT.
Repair Parts
Zurn Wilkins 114-375XL 1-1/4" RP Reduced Pressure Principle Assembly Repair Parts:
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