Regardless of your requirements, Sloan offers a variety of solutions to meet your restroom repair needs. Now it is easy to buy the complete kit or part to repair your flush valve. Sloan's A-38-A, 3.5 GPF closet diaphragm drop in kit used in Regal flush valves includes everything you need to have that toilet working like new. Made with durable materials to endure the rigors of everyday use.