Flushmate M-101526-F31 FM III 503 Pressure Assist Tank Less Handle for

Note: This model is for tanks that come with a model M-101526-F3 tank pre-installed. This is an OEM replacement for those toilets only, and will not be compatible with tanks without one pre-installed.The M-101526-F31 Flushmate System is a complete pressure-assist flush system for 503 series tanks. It fits all porcelain manufacturers EXCEPT Kohler K4404 tank, Gerber 28-385 tank and 10 rough-in fixtures. Pressurized flush eliminates double flushing and clogs and saves water. Fewer moving parts, which extends service life. Includes tank-to-bowl gasket. Flush cartridge, upper supply, and lower supply are replacement parts for all Flushmate systems.For ALL OEMs except Kohler K 4404 tank and Gerber 28-385 tank ; CAUTION does NOT work in One-piece Fixtures ; Tank-to-Bowl GasketONLY used on model 503 Flushmate Systems 1.6 gpf tanksDoes contain Cartridge