Korky 2023BP
Score: 88/100Fluidmaster Adjust-A-Flush Flapper
Score: 92/100Rankings
The Fluidmaster 502P21 is a high-performance adjustable 2-inch flapper designed to resolve running toilets and weak flushes with precision. Its main trade-off is the need for initial dial adjustment to find the optimal setting, which may frustrate users seeking a simple drop-in fix. It is best suited for homeowners with post-1994 toilets who want to conserve water and improve flush efficiency.
The Korky 2023BP is a specialized 3-inch adjustable flapper engineered specifically for TOTO toilets, featuring durable Chlorazone rubber that resists chlorine and hard water damage. While it offers excellent adjustability and a strong warranty, its compatibility is strictly limited to TOTO models, making it unsuitable for other brands. It is best suited for owners of high-efficiency TOTO toilets experiencing leaks or running water issues.
| Attribute | | Fluidmaster Adjust-A-Flush Flapper |
|---|---|---|
3 inchesbest | 2 inches | |
1 count | 2 countbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | Fluidmaster Adjust-A-Flush Flapper |
|---|---|---|
Material & Durability(2) | ||
Material | Chlorazone rubber | Plastic |
Seal Type | Tight seal | Solid Frame |
Design & Features(2) | ||
Chain Material | Stainless steel | Metal |
Installation Type | Tool-free | No-tool |
Packaging & Support(1) | ||
Pack Quantity (count) | 1 count | 2 count |
Compatibility & Fit(6) | ||
Flush Valve Compatibility | TOTO 3-inch | 2 inches |
Universal Fit | false | true |
Flapper Diameter (inches) | 3 inches | 2 inches |
Toilet Type Compatibility | HET | Post-1994 |
GPF Compatibility | 1.28-1.6 | 1.28-3.5+ GPF |
Flush Valve Size | 3 inches | 2 inches |
Products in the top-left offer the best value (high score, low price).
Professional reviewers and editors emphasize the product's reliability and ease of use. Home Depot notes that it quickly solves common leak and running toilet problems and is easy to install. The manufacturer highlights the exclusive longest-lasting red rubber and the tight seal it provides.
There is no available consumer review data, common praise, or recurring complaints in the source material. Product pages highlight manufacturer assurances of ease and durability without user voices or testimonials.
Professional reviewers, including Bob Vila, rate the Fluidmaster 502P21 as the best overall 2-inch flapper for addressing running toilets and weak flushes.
Everyday users commonly praise the product for its ability to quickly fix running toilets and weak flushes while offering significant water savings through dial adjustment.
