Closet Flush Valve Repair Kit

What is this?

This is a professional-grade, all-in-one repair kit designed for commercial closet (toilet) flushometers. It contains the essential internal components needed to rebuild a diaphragm-style valve and restore it to factory-standard performance.

What does it do?

• Restores Flush Accuracy: Over time, internal diaphragms can warp or clog, leading to "short flushing" or valves that won't shut off. This kit replaces those worn parts to ensure a consistent 4.5 GPF (Gallons Per Flush) cycle.

• Leak Prevention: By replacing the main diaphragm and the associated seals, this kit eliminates internal bypass leaks that cause the valve to "run" or hiss.

• Chemical Resistance: The components are molded from high-quality synthetic rubber, specifically engineered to withstand the damaging effects of chloramines and other harsh chemicals found in municipal water.

• Complete Overhaul: This is a "drop-in" assembly that includes the diaphragm, plate, and guide, making it much faster and more reliable than replacing individual small gaskets.

Will it fit my needs?

This kit is designed for standard commercial closet (toilet) flush valves. It is specifically calibrated for older or heavy-duty fixtures requiring a 4.5 GPF flow rate. If you are maintaining a high-traffic restroom and your toilet valves are no longer closing properly or are losing flushing power, this is the standard professional repair solution.

What comes in the box?

• Dual-Filtered Fixed Bypass Diaphragm

• Molded Disc

• Diaphragm Plate

• Guide Assembly