The SV line of Sloan diaphragms work better and last longer than the A series many have used for years. High chloramine resistant PERMEX synthetic rubber diaphragm lasts longer than standard rubber diaphragms and the Linear Filtered Bypass and Vortex Cleansing keeps diaphragm from plugging with sediment reducing run on valves.
Be sure to chose the right flush volume: 1.28, 1.6, 2.4 or 3.5 gpf
