Product name: Gummimembran (rubber diaphragm) What it does Acts as the sealing diaphragm for water tank inlet and fill valves, restoring leak-free operation of the inlet mechanism. Replaces worn or damaged membrane seals that cause dripping, slow filling, or valve malfunction. Key benefits Reliable seal: The rubber membrane provides a tight, watertight closure to prevent leaks and ensure consistent valve performance. Simple repair: Replace the membrane to quickly restore proper function without replacing the whole valve assembly. Broad compatibility: Designed for use with water tank valves, inlet valves, and membrane seals on both bottom and side inlet fill valves. Specifications Material: rubber (Gummi) membrane Outer diameter: 27 mm Depth/thickness: 15 mm Fits: all bottom and side inlet fill valves (as a replacement diaphragm) Performance and durability Flexible rubber construction adapts to valve housings for an effective seal. Suitable for routine maintenance and preventive replacement to avoid valve failure. Typical applications / use scenarios Toilet cistern repair: Replace a worn diaphragm in a toilet fill valve to stop slow leaks and ensure fast, correct filling. Water tank maintenance: Restore the inlet valve seal in household or utility water tanks to prevent continuous running or overflow. Plumbing service kits: Carry as a spare part for plumbers and maintenance teams for quick on-site repairs of bottom or side inlet fill valves. Installation notes Intended as a direct diaphragm replacement. Remove the old membrane and install the Gummimembran in the valve housing according to the valve manufacturer’s instructions. Verify the 27 mm outer diameter and 15 mm depth match the valve cavity before installation. Compatible with: water tank valves, inlet valves, membrane seals for bottom and side inlet fill valves.