Repair of flush valve components, rather than replacement of the entire unit, saves money and resources. Zurn's 1.28 GPF water closet repair kit (Part no. P62000-EC-HET) is designed for Metroflush piston-type flush valves. Metroflush piston flush valves provide high-level, reliable performance with clog-resistant components and a chemical-resistant Go Blue gasket and internal seal. The piston repair kit is constructed of durable cast brass, heavy-duty plastic, and black rubber. When you need a replacement part for repair or maintenance of a flush valve, trust Zurn for genuine, reliable parts.