
THU303 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $16.00 | Condition is New, TOTO THU303 FLAPPER O.E.M. NEW & FREE SHIPING, FREE SHIPPING | 100.0% |
![]() | $22.50 | Condition is New, Toto THU303 2-Inch Flapper With A Clear Cone - OEM Replacement Part, shipping cost = $6.25 | 100.0% |
![]() | $27.00 | Condition is New, Toto Thu303 2" Flapper With Clear Cone, shipping cost = $8.99 | 99.8% |
![]() | $39.68 | Top Pick! Condition is New, Toto THU303 Bathroom-Hardware, Clear, FREE SHIPPING | 100.0% |
![]() | $46.99 | Top Pick! Condition is New, Toto THU303 Bathroom-Hardware, Clear, FREE SHIPPING | 100.0% |
![]() | $57.07 | Condition is New, Toto THU303 2-Inch Flapper With A Clear Cone - Replacement Part, FREE SHIPPING | 98.8% |

The TOTO THU303 is a high-performance, water-saving toilet tank component that includes both a flapper and a cone. This dual-function accessory is designed to optimize water usage and enhance the overall efficiency of your TOTO toilet system.
The flapper of the TOTO THU303 is made from a durable, quiet-sealing material that minimizes the sound of the tank refilling. It is specifically engineered to fit TOTO toilets with a 3-inch (7.6 cm) flush valve, ensuring a perfect seal and preventing leaks. The flapper also features a large, 12-inch (30.5 cm) diameter that allows for ample water flow during flushing, ensuring a powerful and thorough clean.
The cone component of the TOTO THU303 is designed to work in conjunction with the flapper to improve water efficiency. The cone's unique shape and design create a vortex effect as water flows into the tank, reducing the amount of water needed to refill the tank. This feature not only saves water but also helps to maintain consistent water levels in the tank, ensuring reliable and consistent toilet performance.
Additionally, the TOTO THU303 is made from high-quality materials, including a durable, chrome-plated brass flange for a long-lasting, rust-resistant finish. The flapper and cone are also compatible with other TOTO toilet models and can be easily installed with basic plumbing tools.
In summary, the TOTO THU303 is a versatile and effective toilet tank component that includes a durable, quiet-sealing flapper and a water-saving cone. Its large flapper diameter ensures powerful flushing, while the cone's vortex design helps to save water and maintain consistent water levels. The high-quality materials and easy installation make the TOTO THU303 a valuable addition to any TOTO toilet system.
TOTO THU303 is a popular toilet model known for its advanced features and sleek design. Here are some pros and cons of buying this particular model: Pros:1. WaterSense certified: The TOTO THU303 uses only 1.28 gallons per flush, which is significantly less water than traditional toilets and can help save water and reduce water bills.
2. Dual-flushing system: The toilet has a dual-flushing system, allowing users to choose between a powerful 1.6-gallon flush for solid waste and a 0.9-gallon flush for liquid waste, providing more flexibility and efficiency.
3. CEFIONTECT glaze: The toilet bowl features TOTO's CEFIONTECT glaze, which reduces the need for frequent cleaning and prevents the buildup of bacteria and mineral deposits.
4. SoftClose seat: The toilet comes with a SoftClose seat, which quietly closes and prevents the seat from slamming shut, adding to the overall comfort and convenience.
5. Sleek design: The TOTO THU303 has a modern and sleek design, making it a great addition to any bathroom decor.
Cons:1. High price point: The TOTO THU303 is a premium toilet model and comes with a premium price tag.
2. Complex installation: The toilet may require professional installation due to its advanced features and complex design.
3. Limited color options: The toilet is only available in a few color options, which may not suit everyone's bathroom decor preferences.
In conclusion, the TOTO THU303 is a high-performance toilet with advanced features and a sleek design. While it comes with a high price point and may require professional installation, its water-saving capabilities, dual-flushing system, and CEFIONTECT glaze make it a worthwhile investment for those looking for a toilet that offers both functionality and style.
Recommendation:If you are in the market for a high-performance toilet with advanced features and a sleek design, the TOTO THU303 is a great option to consider. However, it is important to keep in mind its high price point and potential need for professional installation. If the price is a concern, you may want to explore other toilet models with similar features at a lower price point. Ultimately, the decision depends on your budget, installation capabilities, and personal preferences.
Details:
The THU303 2 flapper with clear cone is a rocker switch designed for electrical equipment and supplies. Manufactured by Toto, this model features a clear color and length of 2 inches. This product is a reliable choice for businesses and industrial applications requiring durable high-quality switch. The clear cone design adds a unique touch to this rocker switch, making it stand out in any electrical setup.
specifications indusswitch:
- brand: Toto
- mpn: Thu303
- type: Rocker Switch
- item length: 2 In
- color: Clear
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Rocker Switches
payments indusswitch:
- other
- credit card: visa
- wallet: apple-pay
seller indusswitch:
- # reviews: 412
- city: walnut creek, california
- rating: 99.6%
shipping indusswitch:
- transit: 3-9 days
- class: standard
- carrier: usps
- type: fixed
- service: usps ground advantage
offer indusswitch:
- prices: $16.00–$57.07
- item condition: New
- sold #: 7
- in stock #: 5
- options: ship-to-home
- availability: in stock
- started: march 11, 2026
returns indusswitch:
- method: money back
- paid by: buyer
- time: 30 days
- policy: returns accepted
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- TSU01W.14R: TOILET, Toto





