Save money and resources by repairing your flush valve components rather than replacing the entire unit. Designed for AquaVantage® flush valves, Zurn’s 3.5 GPF flush valve rebuild kit fits any AquaVantage or diaphragm type water closet valves. The repair kit’s clog-resistant triple filter diaphragm features our unique GO BLUE® material. GO BLUE parts last up to 10 times longer than the competitors’, reducing maintenance costs and extending their lifespan. When you need a replacement part for repair or maintenance of a flush valve, trust Zurn for genuine, reliable parts.