Wilkins 34-950XL3 | Reduced Pressure Principle Backflow Preventer, 3/4"
Wilkins 34-950XL3 | Reduced Pressure Principle Backflow Preventer, 3/4" is backordered and will ship as soon as it is back in stock.
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All shipping estimates provided are approximate only. While we always strive to meet or exceed your delivery expectations, we cannot guarantee the exact delivery times listed.
For time-sensitive orders, please contact us directly so we can provide a more accurate lead time estimate based on your specific requirements.
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All in stock orders received before 3PM EST will ship the same day. Orders received after 3PM EST will ship the following business day.
Water Filters, Hand Dryers, & Indoor Bottle Fillers are our most popular in stock items.
Outdoor Tubular Drinking Fountains
Evergreen normally ships in 5-15 days. Black, Gray and Blue ship in 2-4 weeks.
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In stock units ship within 48 hours. Other units normally ship in 2-4 weeks.
Other
Orders that ship directly from a manufacturer normally have a firm shipping estimate but those dates are subject to change due to manufacturer production, inventory or shipping. We do our best to estimate ship dates but orders shipping directly from the manufacturer can have unexpected delays. We will confirm tracking information when orders ship directly from a manufacturer but may not have updates or estimates beyond the original estimate. Once your order is placed with the manufacturer, it may not be able to be cancelled even if it hasn't shipped yet.
Please contact support@bottlefillingstations.com to confirm delivery time for a specific product or quantity. Or to inquire about an existing order.
Special Case Shipping Rates
Please note that shipping rates are subject to change at any time. We reserve the right to charge an additional fee in addition to the regularly advertised shipping fee for shipping to remote areas not easily accessible by typical freight carrier means (i.e. islands only accessible by ferry). If your order falls into this category, you will be notified upon receipt of your order, and have the option to complete the purchase with additional fee or to cancel the order. Please note, these instances are very rare, as most locations are reachable by regular freight. If you have any questions, please contact us!
Key Terms & Conditions
Exceptions may apply to islands and other remote territories.
All orders shipped by the carrier of our choice.
NOTICE: Product images may vary from the actual item due to differences in size or configuration options.
The Wilkins 34-950XL3 is a reduced pressure principle backflow prevention assembly designed for potable water protection against backsiphonage and backpressure contamination.
Key Specifications:
- Size: 3/4 Inches
- Maximum Working Pressure: 175 PSI
- Maximum Working Temperature: 180°F
- Notable Certifications: ASSE 1013, cUPC, CSA
- End Connections: Threaded FNPT
Other Related Variants:
- 112-950XL3: 1/2 Inch version
- 114-950XL3: 1 1/4 Inch version
- 1-950XL3: 1 Inch version
- 2-950XL3: 2 Inch version
Materials:
- Main valve body: Low Lead Cast Bronze ASTM B 584
- Access covers: Low Lead Cast Bronze ASTM B 584
- Fasteners: Stainless Steel, 300 Series
- Elastomers: Silicone (FDA Approved)
- Elastomers: Buna Nitrile (FDA Approved)
- Polymers: Noryl™
- Springs: Stainless Steel, 300 Series
- Ball valve handles: Stainless Steel
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; cUPC Listed; CSA Certified B64.4; UL Classified; C-UL Classified; AWWA Compliant C511; Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California; Meets NSF/ANSI/CAN 61 & 372
Features & Benefits:
- Lead-Free Construction: Meets NSF/ANSI/CAN 372 with less than 0.25% weighted average lead content for safe potable water applications.
- Full Port Ball Valves: Standard full port QT ball valves with integral test fittings provide convenient testing and maintenance access.
- Dual Check Protection: First and second checks are accessible for maintenance without removing the relief valve or entire device from the line.
- High Temperature Rating: Rated to 180°F maximum working temperature for versatile installation applications.
FAQ
Q: What is the minimum working pressure required for the Zurn 34-950XL3?
A: The Zurn 34-950XL3 requires a minimum working water pressure of 25 PSI to operate properly.
Q: How should the Wilkins 34-950XL3 be installed?
A: The assembly must be mounted 12" to 30" above an adequate drain with sufficient side clearance for testing and maintenance. The unit must not be submerged.
Q: What type of thread connections does this backflow preventer have?
A: The device features threaded end connections (FNPT) conforming to ANSI B1.20.1 standards.
NOTICE: Do not use with water that is unsafe or of unknown quality without adequate disinfection either before or after the system.
"Hydrate Everyone, Everywhere!" BottleFillingStations.com | Contact us
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.

