Description Replacement Fill Valve for Toto TSU53A, Universal Fill Valve Also replaces Toto TSU53A Fill Valve Upgrade for 2 Piece Models with Detachable Filter for Easy Cleaning. Toilet Fill Valve Assembly for TOTO Toilets and Tanks TOTO Replacement Fill Valve by NuFlush NuFlush Adjustable Water Height Fill Valve. Fill Valves are designed to fill the toilet tank with water from the water supply line after it has been emptied by a flush. This fill valve is a universal fit for 1- and 2-piece toilets that are bottom water fed with a 7/8-inch The fill valve replaces the ballcock mechanism and is more efficient and easier to install NuFlush Replacement Fill Valve for Toto TSU53A Fill Valve Upgrade for 2 Piece Models Toilet Fill Valve Assembly For TOTO Toilets and Tanks TOTO Replacement Fill Valve by NuFlush Includes fill valve, refill tube and clip, mounting nut, cone washer and coupling nut Fits Toto Model number: TSU51A and many Bottom Water Fed Toilets Quiet and fast fill valve with durable High Impact ABS Stem Anti-Siphon Fill Valve Water Saver Corrosion-resistant Material Universal fit for both 1 and 2 piece toilets that are bottom water fed with a 7/8″ pipe connection Fixes: running, noisy, slow refill, and weak flushing toilets Easy to Install 1/2-inch Fill Valve Instruction- Video