Korky PRO GRADE Toilet Fill Valve (528PRO)The Ultimate Fix for a Noisy or Running Toilet. The Korky 528PRO is a durable, universal replacement for your old ballcock or failing fill valve. It’s engineered for professional performance to give you a quiet, dependable toilet flush every time.Why Choose the 528PRO?Max Performance, Quiet Operation: Stops running and slow-filling toilets with one of the quietest valves available.Built to Last: Features a strong polymer shank that performs like brass and handles high water pressure better than standard valves.Universal Fit: Adjusts easily from 821” to 14″ to fit virtually all toilet brands and tank sizes (Kohler, TOTO, American Standard, etc.).Easy DIY Installation: The innovative twist-lock design makes installation simple and requires no tools.Water Efficient: Includes a refill adjuster to deliver the precise amount of water needed to the bowl, saving you water and money.Made in USA and backed by a 7-Year Warranty.Stop the Noise, Save the Water. Install the Korky 528PRO today!








