Genuine Sloan High Back-Pressure Vacuum Breaker Repair Kit (Boxed version). Designed for use in new style Royal flush valves. Replaces #08012 (V551A) old style vacuum breaker repair kit as well. Includes updated HD Permex Rubber vacuum breaker. This is the best vacuum breaker repair kit for low-flow toilet and urinal applications. aka: 3323182
A worn vacuum breaker can cause water to leak around the base of the downward tube where it attaches to the fixture, especially when the flush cycle ends. It is important to address this quickly as it can also be a sign that backflow is occuring which will potentially contaminate the water supply.