OPTIMIZED FOR ONE-PIECE PRESSURE ASSIST TOILETS: Designed specifically to replace or upgrade Flushmate-equipped 1.0 GPF pressure-assist toilets. Provides peak performance and compatibility while reducing water use compared to outdated 3.5+ GPF systems. GENUINE FLUSHMATE REPLACEMENT: The system is an official factory replacement for Flushmate Model 504 Series and Series III systems. It is backed by leading toilet manufacturers for quality assurance and performance in new or upgraded installations. PRESSURE-ASSISTED FLUSH PERFORMANCE: Uses compressed air instead of gravity to deliver a high-performance, single-flush with superior waste removal. This pressure-assisted system ensures a cleaner, more reliable flush and reducing clogs. POWERFUL FLUSHING AND SCRUBBING: Delivers a cleaner bowl after every flush with high-velocity water that scrubs away residue and reduces streaking. This helps to minimize the need for double flushing, saving water while maintaining a more hygienic bowl. COMPLETE, QUICK INSTALLATION: The system comes with all required gaskets, seals, and easy-to-follow online instructions. Designed for fast installation by plumbers or DIYers, there's no complicated setup, just reliable, ready-to-use performance. DURABLE, HIGH-QUALITY CONSTRUCTION: Made in the United States with premium materials and pressure-tested to ensure safety and performance. Built for long-term durability in both demanding commercial and everyday residential environments. CONSISTENT WATER SAVINGS: The flush volume remains constant over time, ensuring long-term efficiency. Unlike gravity systems that can degrade or be tampered with, this design delivers reliable performance and sustained water savings for the life of the fixture. RELIABLE WARRANTY: Flushmate systems are backed by a 5-year limited manufacturer warranty, providing reliable support and long-term peace of mind. Count on performance, durability, and customer care that stands behind every product for years to come. FLUSHMATE GENUINE PARTS: Our products perform at their best when maintained exclusively using Flushmate Genuine Parts. We offer the largest selection of best-in-class parts, manufactured and tested to Flushmate specifications, designed for the most reliable commercial restroom products. INNOVATIVE SOLUTIONS: At Flushmate, we pride ourselves on engineering solutions that meet the evolving needs of commercial and residential settings. Our products are designed to optimize water usage without compromising on performance, making them ideal for a wide range of applications including homes, offices, schools, healthcare facilities, and more. The Flushmate M-102540-FC is a genuine and complete pressure-assist replacement system compatible with Kohler K-3597 toilets featuring serial numbers XXXXXX-FC1-XXXX and XXXXXX-FC2-XXXX. This 1.0 GPF system uses compressed air technology to deliver a powerful, single-flush performance that clears waste efficiently while conserving water. It helps reduce the frequency of clogs and streaking, ensuring a cleaner bowl with fewer flushes. Built with premium, pressure-tested materials and approved to meet OEM quality standards, this Flushmate System provides reliable, long-lasting flushing power. It is easy to install and excellent for both residential and commercial applications where dependable flush performance is essential.

Flushmate pressure-assisted systems deliver unmatched flushing performance while using less water - helping conserve one of our planet's most valuable resources. With over 35 years of proven innovation, Flushmate is trusted by leading toilet manufacturers across three continents. Our proprietary technology is designed to meet the demands of commercial, industrial, and institutional environments without sacrificing power or efficiency. As a proud division of Sloan, we're part of a global effort to advance sustainable, hygienic restroom solutions. Sloan products are at the forefront of water conservation and green building, promoting health and wellness through smart, eco-conscious design and engineering. With Flushmate, performance meets responsibility.