Korky Max Performance Pro Grade Fill Valve

Item # 288878 | Korky Part # 528PRO | UPC Code 049057104101 | UNSPSC Code 40141639 | Catalog Page #304
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Product Overview

Designed to fix no/slow refilling, running, and noisy toilets, the Korky MaxPERFORMANCE PRO GRADE Toilet Fill Valve is quieter than other fill valves and is ideal for toilets since 1994 (1.6 GPF or less). It is fully adjustable to prevent water waste in all toilets. The refill adjuster delivers the right amount of water to the bowl to maintain original performance. This toilet fill valve is easy to install and adjust; no tools are required. Simply remove your old fill valve or ballcock, insert your new Korky fill valve, and adjust. The innovative twist-lock adjustment makes installation easy. Designed to fit more toilets, the Korky toilet fill valve adjusts to fit both large and compact toilet tanks and fits Kohler, TOTO, Gerber, American Standard and all other brands. Engineered for strength, the shank and valve components perform as well as brass and are designed to perform better in high pressure homes and properties. The 528PRO includes: (1) Toilet Fill Valve, (1) Refill tube & metal clip, (1) Refill adjuster, (1) Set of installation hardware and (1) Tamper proof key.

  • Designed For High Pressure Properties
  • Strong Shank: Engineered Material Performs As Well As Brass
  • Universal, Fits All Brands
  • QuietFILL Technology
  • Anti-siphon - ASSE and IAPMO listed
  • 7 year warranty
  • 7 year warranty


Manufacturer Warranty
7 Years
Pack Size
Plumbing Part Type
Toilet Flush & Fill Valve
Product Depth (in.)
Product Height (in.)
Product Width (in.)
Standard Color Family
Valve Type
Made in the USA


7 Years

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