Flushmate M-101526-F31 1.6 GPF Replacement System for Two-Piece Toilets

Overview

Upgrade or replace a Flushmate-equipped toilet with the Flushmate M-101526-F31 Complete Replacement System. Designed for 1.6 GPF two-piece toilets, this genuine replacement aligns with models in the 503 Series and Series III range. It’s supported by leading manufacturers for reliable performance in both new builds and upgrades, and it’s intended for a wide range of OEM installations with a few exclusions.

Why choose Flushmate M-101526-F31

• Official replacement for Flushmate Model 503 Series & Series III systems, ensuring dependable compatibility.
• 1.6 GPF pressure-assisted design helps preserve performance while using less water than higher-GPF systems.
• Excludes Kohler K4404, Gerber 28-385, and -F3B- serial numbers; verify your model before purchasing.
• Includes gaskets, seals, and clear installation instructions for a straightforward setup.

Performance and efficiency

• Pressure-assisted flush uses compressed air for a strong, single flush with improved waste removal and reduced clog risk versus gravity-only systems.
• High-velocity water action helps scrub the bowl, reducing streaking and the need for repeat flushes when used properly.
• Consistent flush volume over time supports predictable operation and steady water savings across the fixture’s life.

Durability and parts ecosystem

• Made in the US with premium materials and subjected to pressure testing for long-term durability in homes and commercial spaces.
• Flushmate Genuine Parts are recommended to maintain peak performance, with a broad range of parts designed and tested to Flushmate specifications.
• 5-year limited manufacturer warranty provides dependable support and coverage for installation and ongoing use.

Installation and use cases

Designed for quick, reliable installation with minimal setup. This replacement system suits residential bathrooms, offices, schools, healthcare facilities, and other settings where efficient, proven performance matters.