**For use with Flushmate Serial # xxxxxx-C01-xxxx only

Note: When working on old style 200, 500, 501 series, you must update to new style 501-A series. If you are replacing the old style lower supply kit, you must also replace the upper supply kit. If you are replacing the upper supply kit, you must also replace the lower supply kit. The flush valve cartridge kit will retro fit any of the old style cartridges.