Danco FLT231T Flapper
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 Danco FLT231T HydroStop is a flapperless toilet repair kit that replaces traditional rubber flappers with a sturdy vertical-closing tower mechanism. It utilizes patented S.T.O.P. Technology to prevent bowl overflows and features a chemical-resistant silicone seal with a stainless steel cable. Ideal for homeowners seeking a permanent solution to leaking toilets.
| Attribute | | Fluidmaster Adjust-A-Flush Flapper |
|---|---|---|
— | 2 inchesbest | |
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 | Silicone | Plastic |
Seal Type | Vertical Tower | Solid Frame |
Design & Features(3) | ||
Chain Material | Stainless Steel | Metal |
Installation Type | Tool-Free | No-tool |
Flapper Type | HydroStop Tower | Adjustable |
Packaging & Support(3) | ||
Pack Quantity (count) | 1 count | 2 count |
Warranty Period | Standard | 5 years |
Certifications | S.T.O.P. Technology | NSF/ANSI 61 |
Compatibility & Fit(4) | ||
Flush Valve Compatibility | 2 to 2.5 inches | 2 inches |
Flapper Diameter (inches) | null inches | 2 inches |
Toilet Type Compatibility | Standard | Post-1994 |
GPF Compatibility | null | 1.28-3.5+ GPF |
Professional reviewers describe the HydroStop as a product that 'should be the new industry standard,' highlighting its significant water-saving benefits and effective prevention of overflow-related messes.
The search results do not include specific user reviews, customer testimonials, or recurring complaints from everyday consumers.
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.
