
TOTO THU500S Flapper
Score: 75/100
Essential Values Toto Flapper
Score: 80/100Rankings

The Essential Values PACK Toto Toilet Flapper Replacement is a 4-pack of 3-inch aftermarket rubber flapper valves designed as universal replacements for TOTO toilets. It features high-quality flexible rubber for a tight seal and includes a stainless steel chain and clip hook for easy installation. The product offers broad compatibility with most 3-inch TOTO tank models, providing an affordable alternative to OEM parts.

The TOTO THU500S is a 3-inch OEM replacement flapper designed exclusively for select TOTO toilets with 3-inch flush valves. It features a polypropylene body with a rubber sealing surface and includes an attached chain for straightforward installation. Ideal for DIY tank maintenance in residential bathrooms to fix leaks or inconsistent flushing.
| Attribute | ![]() | ![]() |
|---|---|---|
3 inchesbest | 3 inchesbest | |
1 count | 4 countbest |
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| Attribute | ![]() | ![]() |
|---|---|---|
Material & Durability(2) | ||
Material | Polypropylene/Rubber | Flexible Rubber |
Seal Type | Rubber | Standard |
Design & Features(3) | ||
Chain Material | Standard | Stainless Steel |
Installation Type | Tool-Free | Tool-free |
Flapper Type | OEM Flapper | Standard Flapper |
Packaging & Support(2) | ||
Pack Quantity (count) | 1 count | 4 count |
Warranty Period | 1 Year | None |
Compatibility & Fit(3) | ||
Flush Valve Compatibility | TOTO 3-Inch | 3 inch |
Toilet Type Compatibility | TOTO Specific | TOTO G-Max |
GPF Compatibility | null | Standard |

Products in the top-left offer the best value (high score, low price).

Product descriptions characterize it as a quiet, dependable OEM upgrade that transforms frustration into reliable performance, emphasizing its adjustability and precise fit for TOTO tanks.
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