Flush Valve Assembly

SPECIAL ORDER ITEM. Review Returns Policy before purchase. Maintain original flush performance with this piston cover assembly designed for specific Kohler flush valve systems. Engineered to support a 1.28 GPF flush rate, this component serves as a direct replacement part to ensure the internal valve mechanism functions as intended. This assembly requires standard tools for installation and is not an anti-siphon component. Using manufacturer-specified parts helps preserve the integrity of the flush cycle and ensures compatibility with existing plumbing hardware.