Zurn Industries - RK4-350 - Standard Repair Kit, 2-1/2'' - 4'' 350A, 4'' 350DA

Zurn Industries - RK4-350

The Standard Repair Kit is compatible with the 2-1/2''-4'' Model 350A, 375, and 475, and the 4'' Model 350 and 450 Backflow Preventer. Repair Kit components conveniently include two Check O-Rings, eight Poppet Bolt O-Rings, and two Seal Rings. Repair Kits are sold as accessories for quick and simple repair needs, providing long-lasting protection from both back siphonage and backpressure of polluted water into the potable water supply.

Collection: 375/475
UPC: 612052091877
Online Product ID: 2973168
Length: 8"
Width: 6"
Height: 1.5"
Weight: 0.446 lbs.
Made In: China
Low Lead Compliant: Yes
Prop65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Minimum Order Quantity: Yes
Shipping:  0.25 lbs.


  • Accessories allow for speedy repairs
  • Repair Kits provide cost savings by avoiding full replacement
  • Complies with ASSE Listed 1015 and CSA Classified B64.5
  • Quality materials designed for long-lasting parts replacement
  • 1-year warranty

Professional delivery is available for every product we sell. We would be happy to coordinate delivery for you!

RK4-350 - Zurn Industries

Winthrop Supply is proud to present this decorative repair kit, by Zurn Industries. The RK4-350 is made from premium materials, this Repair Kit offers great function and value for your home. This fixture is part of Zurn Industries's decorative 375/475 Collection, so make sure to check out other styles of fixtures to accessorize your room.

Zurn places the customer first, building value and trust through superior knowledge of the global markets we serve. Our products and services will continue to provide innovative water solutions delivered by exceptional people. Zurn Engineered Water Solutions® is a recognized leader in commercial, municipal, and industrial markets. Zurn manufactures the largest breadth of engineered water solutions in the industry, including a wide spectrum of sustainable plumbing products. Zurn delivers total building solutions for new construction and retrofit applications that enhance any building’s environment.

Zurn Industries Warranty