Korky Adjustable 2 in. Flush Valve and Tank to Bowl Gasket Kit

Item # 452532 | Korky Part # 4030PK | UPC Code 049057102961 | UNSPSC Code 40141640 | Catalog Page #306
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Product Overview

The Adjustable 2 in. Flush Valve and Tank to Bowl Gasket Kit is universal to fit all 2-piece toilet tank brands. Quick and easy to install, the flush valve height easily adjusts from 7 in. to 11-1/2 in., with no tools or hack sawing required. The oversized tube and funnel reduce flood risk while the included premium flapper ensures a tight, leak-proof seal. The included Korky Ultra High Performance Flapper is the most universal 2 in. flapper available. The flapper adjusts to match original toilet settings and eliminates water waste by decreasing the amount of water flushed. Ideal for all standard 2 in. toilets, including: 1.28, 1.6, 3.5 and 5 GPF. The exclusive longest lasting red rubber resists chlorine, bacteria, city water treatment, hard water, and well water. Recommended by the Clorox help line, this Korky flapper is proven longest lasting. The adjustable flapper has multiple settings to ensure it fits popular 2 in. toilet models. Easy to install, the 4030 includes: (1) Flush Valve, (1) Tank to Bowl Gasket, (1) 100 Ultra Flapper, (1) Set of Hardware and (1) Instructions.

  • Fixes: leak between tank and bowl and worn seating surface
  • Universal design fits most 2-piece toilets
  • Quick to install, adjustable height means no hack sawing required
  • Overflow tube easily adjusts from 7 in. to 11-1/4 in.
  • Oversized tube and funnel reduce flood risk
  • Exclusive longest lasting red rubber resists chlorine
  • 5 year warranty
  • Includes: (1) flush valve, (1) 100 ultra-flapper, (1) tank-to-bowl gasket, (1) set of hardware, and (1) instructions


Manufacturer Warranty
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