2" Flush Valve Repair Kit with Super Toilet Flapper

Product Overview

The Fluidmaster 555C PerforMAX® Flush Valve Repair Kit is a universal replacement assembly designed for professional maintenance and retrofit of standard gravity-fed toilets. Engineered for compatibility with a wide range of flush valve configurations, this kit provides a high-performance seal and efficient flushing operation across toilets rated from 1.28 to over 3.5 gallons per flush. The assembly includes a durable rubber flapper and mounting hardware designed for consistent sealing and long service life under standard operating conditions.

Technical Specifications

• Manufacturer: Fluidmaster, Inc.
• Model Number: 555C
• Alternate Reference: 4234
• Product Collection: PerforMAX®
• Description: Universal Flush Valve Repair Kit with Super Flapper
• Application: Professional toilet repair and valve maintenance
• Compatibility:
  • Flush valves rated from 1.28 to 3.5+ gallons per flush (gpf)
  • Mounting ear-style flush valve configurations
  • Most standard gravity-fed toilet tanks
• Components Included:
  • PerforMAX® adjustable flapper assembly
  • Mounting hardware and installation accessories
  • Universal gasket and seals
• Material: Rubber and engineered polymer components
• Seal Type: Flexible rubber sealing surface for optimized flush volume control
• Operating Pressure: Suitable for standard municipal and private water supply systems
• Operating Temperature: Standard domestic water system temperature range
• Mounting Type: Tank-mounted installation using existing flush valve fittings
• Performance Range: Adjustable for flush volumes from high-efficiency to high-capacity systems
• Compliance: Conforms to ASME A112.19.5 and CSA B125.3 performance standards
• Intended Use: Professional plumbing repair and maintenance of flush valve assemblies

Summary

The Fluidmaster 555C PerforMAX® Flush Valve Repair Kit is a universal replacement solution for professional toilet maintenance, compatible with 1.28 to 3.5+ gpf flush systems. Featuring a high-performance rubber flapper and adjustable design, it provides reliable sealing and efficient flush performance across a wide range of commercial and residential gravity-fed toilet systems.