Wilkins RK8-375 | 8" & 10" Model 375 Relief Valve Repair Kit
Wilkins RK8-375 | 8" & 10" Model 375 Relief Valve Repair Kit is backordered and will ship as soon as it is back in stock.
Shipping
Shipping
🚚✨ Free Shipping in the Continental U.S.
All Products. No Minimums.
Estimated Shipping Times:
Important Note on Delivery Times
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.
Same Day Shipping
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.
Ice Machines
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.
Wilkins RK8-375 | 8" & 10" Model 375 Relief Valve Rep...
The Wilkins RK8-375 is a complete relief valve repair kit designed for 8" and 10" Model 375/375AST/475/475V Reduced Pressure Principle Backflow Preventers, restoring proper operation without full assembly replacement.
Key Specifications:
- Compatible Sizes: 8 Inches and 10 Inches
- Compatible Models: 375, 375AST, 475, 475V
- Kit Components: Six relief valve parts
- Notable Certifications: ASSE 1013, C-UL Classified
- Application Type: Relief valve assembly repair
Other Related Variants:
- RK212-375: 2 1/2 Inches to 6 Inches models
- RK114-375: 1 1/4 Inches to 2 Inches models
- RK1-375: Alternative repair kit variant
- RK34-375: Alternative repair kit variant
Materials:
- Rubber O-Rings (upper plunger, relief valve seat, and relief valve)
- Diaphragm material
- Seal Ring
- Stainless Steel Relief Valve Spring
Typical Installation:
The Zurn RK8-375 is used for repairing or replacing the relief valve assembly on 8" and 10" Reduced Pressure Principle Backflow Preventers in commercial, industrial, and institutional water supply systems where backflow prevention is required. This kit is ideal for maintaining compliance in applications such as fire protection systems, irrigation systems, industrial process water, and municipal water distribution where large-diameter backflow preventers protect potable water supplies.
Standards Compliance:
ASSE 1013; C-UL Classified
Features & Benefits:
- Complete Relief Valve Solution: Includes all six essential components (upper plunger O-ring, diaphragm, seal ring, relief valve spring, relief valve seat O-ring, and relief valve O-ring) needed for comprehensive relief valve repair.
- Cost-Effective Repair: Targeted kit allows restoration of relief valve function without the expense of replacing the entire backflow preventer assembly.
- Certified Performance: Complies with ASSE 1013 standards and is C-UL Classified, ensuring reliable backflow prevention and regulatory compliance.
- Large Diameter Compatibility: Specifically engineered for 8" and 10" Model 375/375AST/475/475V backflow preventers, supporting critical high-flow applications.
FAQ
Q: What components are included in the Zurn RK8-375 repair kit?
A: The kit includes one upper plunger O-ring, one diaphragm, one seal ring, one relief valve spring, one relief valve seat O-ring, and one relief valve O-ring—everything needed to repair the relief valve assembly.
Q: Which backflow preventer models is this repair kit compatible with?
A: This kit is designed for 8" and 10" Model 375, 375AST, 475, and 475V Reduced Pressure Principle Backflow Preventers manufactured by Wilkins.
Q: Can I use this kit to repair smaller backflow preventers?
A: No, the RK8-375 is specifically for 8" and 10" models. For smaller sizes, use RK212-375 (2 1/2"-6") or RK114-375 (1 1/4"-2") repair kits instead.
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.
