DUCKBILL VALVE PACK: The Flushmate B-108288-4PK is a pack of four duckbill valves designed for use with the Flushmate air inducer BU100505, ensuring smooth air flow in Flushmate pressure-assisted toilet systems. EFFICIENT FLUSHING FUNCTIONALITY: The duckbill valve operates as a one-way check valve, opening and closing to allow air into the system during the recharge cycle, helping to maintain efficient flushing performance. STRATEGIC VALVE LOCATION: Located under the cap of the Upper Supply Assembly, this valve is connected to the water supply hose, ensuring it effectively controls air flow during the system's recharge process. COMPATIBLE WITH FLUSHMATE MODELS: The duckbill valves are compatible with all Flushmate models, including the 503, 503H, and 504 series, ensuring a reliable replacement part for various pressure-assisted systems. DURABLE AND RELIABLE PERFORMANCE: The upper supply kit is designed for long-lasting performance, ensuring your Flushmate system continues to operate efficiently by delivering consistent water flow to the pressure-assisted system. 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. Assemblied in the USA. 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 B-108288-4PK Duckbill Valve (Air Inducer) is designed to ensure efficient flushing performance for Flushmate pressure-assisted toilet systems. This 4-pack of durable valves is compatible with Flushmate 503, 503H, and 504 Series systems, making it a reliable replacement for worn or damaged air inducers. The Duckbill Valve helps regulate air flow within the system, promoting optimal flushing power while preventing clogs and performance issues. Engineered for long-lasting use, these valves are crafted from high-quality materials to withstand the demands of both residential and commercial environments. By maintaining the correct pressure and air flow, the B-108288-4PK Duckbill Valve ensures your system operates smoothly and efficiently, reducing the risk of water wastage and enhancing flushing performance. Easy to install, this pack of four valves is perfect for those who want to keep their Flushmate system running at peak efficiency. Trust Flushmate for reliable, high-performance parts that ensure long-lasting, leak-free operation.

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.