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Zurn Wilkins  |  SKU: RK6-350CK2

Wilkins RK6-350CK2 | 6" Repair Kit – #2 Check Assembly

Regular price $ 613.99

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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

 

Exceptions may apply to islands and other remote territories.

All orders shipped by the carrier of our choice.  

 

 

 


 

 

 

The Wilkins RK6-350CK2 is a complete repair kit designed for servicing the #2 check assembly in 6-inch commercial backflow preventers, ensuring reliable performance and system integrity.

 

Key Specifications:

  • Size: 6 Inches
  • Compatible Models: 350, 350A, 350DA, 375A, 375DA, 450DA, 475DA
  • Assembly Type: #2 Check Assembly
  • Application: Commercial backflow preventers
  • Kit Type: Complete repair kit

 

Other Related Variants:

  • RK212-350CK2: 2 1/2 Inches to 3 Inches version
  • RK4-350CK2: Up to 4 Inches version
  • RK8-350CK2: 8 Inches to 12 Inches version

 

Materials:

  • Seat Retainer components
  • O-Ring seals
  • Stainless steel bolts and fasteners
  • Washers
  • Poppet retainer assembly
  • Seal rings
  • Seat assembly materials
  • Specialty lubricant

 

Typical Installation:

This repair kit is designed for servicing second check assemblies in large-diameter commercial and industrial backflow prevention systems, including municipal water systems, industrial facilities, irrigation applications, fire protection systems, and commercial buildings requiring reliable backflow prevention maintenance.

 

Standards Compliance:

Designed for use with backflow preventers meeting industry standards for commercial water supply protection

 

Features & Benefits:

  • Complete Assembly: Includes all necessary components for thorough #2 check assembly repair in one comprehensive kit.
  • Wide Compatibility: Works with multiple Wilkins RK6-350CK2 model series including 350, 350A, 350DA, 375A, 375DA, 450DA, and 475DA backflow preventers.
  • Professional-Grade Components: Features high-quality seals, retainers, and fasteners designed for long-lasting performance in demanding commercial applications.
  • Maintenance Ready: Provides everything needed for efficient servicing, including specialty lubricant to ensure proper installation and operation.

 

FAQ

 

Q: Which valve models are compatible with the Zurn RK6-350CK2 repair kit?

A: This kit is compatible with 6-inch Models 350, 350A, 350DA, 375A, 375DA, 450DA, and 475DA backflow preventers.

Q: What components are included in the Zurn RK6-350CK2?

A: The kit includes Seat Retainer #2, O-Ring Check, Bolt Poppet Retainer, Washer Poppet Bolt, O-Ring Poppet Bolt, Poppet Retainer, Seal Ring, Seat Assembly #2 Poppet, and Lubricant.

Q: Can I use this repair kit for other valve sizes?

A: No, this kit is specifically designed for 6-inch valves. For other sizes, use RK212-350CK2 (2-1/2"–3"), RK4-350CK2 (up to 4"), or RK8-350CK2 (8"–12").

 

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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