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RK4-350

The RK4-350 Check Rubber Repair Kit is compatible with the 4" 350, 375, 450, and 475, and 2-1/2" - 4" 350A and 375A.

  • Features & Benefits
  • Resources
  • Videos
  • Fits 4" 350, 375, 450, and 475
  • Fits 2 1/2" - 4" 350A, 375A, 350AST, 375AST
  • Includes No. 1 and No. 2 check seal rings, o-rings, and lubricant
  • Lead-free law compliant
Lead Free
Retrofit or Replacement
Zurn Wilkins

Product Resources

Videos