Flush Valve Cartridge Kit for 1.28 GPF Pressure‑Assist Toilet Tank Systems

This 1.28 GPF pressure‑assist flush valve cartridge kit is designed to restore proper flushing performance in compatible pressure‑assisted toilet systems. It regulates water discharge during each flush, helping maintain consistent operation and efficient water usage in commercial and institutional restroom environments. The kit includes a replacement cartridge, a duckbill valve, and a filter screen to address common causes of performance issues, such as reduced flush strength or irregular operation. Intended for maintenance and repair applications, this cartridge kit supports routine service work by facility maintenance teams and plumbing professionals.

• Fits one-piece, two-piece toilet types
• Supports consistent flush performance
• Designed for 1.28 gallons per flush systems
• Fits Flushmate 503 series, model M-101526-F3
• Replacement cartridge kit for pressure‑assist toilets
• Helps address weak or inconsistent flushing issues
• Fits Porcelain Brands: Gerber, Glacier Bay, Kohler, ProFlo, Sloan, Vortens/Lamosa, Western
• Kit includes a genuine cartridge assembly, an independent adjustor with a set screw, a duckbill, an upper supply, a filter screen, and a lower supply