Wilkins 34-975XL3SAG | RP Backflow Preventer w/ Strainer & Air Gap
Wilkins 34-975XL3SAG | RP Backflow Preventer w/ Strainer & Air Gap is backordered and will ship as soon as it is back in stock.
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Water Filters, Hand Dryers, & Indoor Bottle Fillers are our most popular in stock items.
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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.
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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
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NOTICE: Product images may vary from the actual item due to differences in size or configuration options.
The Wilkins 34-975XL3SAG is a lead-free reduced pressure principle backflow prevention assembly designed to protect potable water supplies from contamination where potential health hazards exist.
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 ANSI B1.20.1
Other Related Variants:
- 112-975XL3SAG: 1/2 Inch model size
- 114-975XL3SAG: 1/4 Inch variant
- 1-975XL3SAG: 1 Inch model size
- 2-975XL3SAG: 2 Inch model size
Materials:
- Main valve body: Low Lead Cast Bronze ASTM B584
- Access covers: Low Lead Cast Bronze ASTM B584
- 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 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 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 and 372
Features & Benefits:
- Health Hazard Protection: The Zurn 34-975XL3SAG provides dual protection against both backsiphonage and backpressure of contaminated water into potable water supplies.
- Lead-Free Compliance: Certified to NSF/ANSI/CAN 372 with less than 0.25% weighted average lead content, ensuring safe drinking water quality.
- Easy Maintenance Access: First and second checks accessible through single access cover without removing relief valve or entire device from line.
- Complete Assembly Package: Includes lead-free wye strainer and air gap accessory for indoor installations, providing comprehensive system protection.
FAQ
Q: What is the minimum operating pressure required for the 34-975XL3SAG?
A: The minimum working water pressure required is 25 PSI to ensure proper operation of the reduced pressure principle assembly.
Q: Is the air gap fitting required for all installations?
A: The included air gap fitting is required for indoor installations. The assembly must be mounted 12 to 30 inches above adequate drains with the installation made so no part of the unit can be submerged.
Q: How often should the 34-975XL3SAG be tested and maintained?
A: Testing and maintenance frequency should follow local codes and regulations. The design allows easy access to checks and test cocks from the top of the device for convenient maintenance without full removal 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.
"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.

