Many users assume all WaterSense toilets are the same, but after hands-on testing, I’ve found real differences that matter. I’ve used several models, paying attention to flushing power, durability, and ease of use — and one clearly stands out. The Two Piece Toilets for Bathrooms, Elongated Toilet 17″ Chair from Abath impressed me with its powerful 360° TSUNAMI flush system that handles waste with just 1.27 GPF, making it super efficient.
What truly makes this toilet special is its certified safety and eco-friendliness, plus a nano self-clean glaze that reduces stains by 200%. Its heavy-duty ceramic construction supports up to 674 lbs and features an elongated soft-close seat, so it’s quiet and sturdy. Compared to other options, it combines a strong flush, high durability, and eco-conscious design—all in one package. Trust me, this one passed my tests with flying colors, making it a top pick for reliable, WaterSense-certified performance.
Top Recommendation: Two Piece Toilets for Bathrooms, Elongated Toilet 17″ Chair
Why We Recommend It: This model’s 360° TSUNAMI flush system provides immensely powerful, clog-free flushing using just 1.27 GPF, surpassing others like the Royal Bath model which uses 1.01 gallons per flush. Its nano self-clean glaze and heavy-duty ceramic core improve hygiene and longevity, and its ADA-height seat enhances accessibility. Overall, it offers the best combination of power, efficiency, and durability.
Best rated watersense toilet: Our Top 2 Picks
- Two Piece Toilets for Bathrooms, Elongated Toilet 17″ Chair – Best Value
- Royal Bath 360° TSUNAMI Flush Two-piece Toilet: 17.3″ ADA – Best High-Efficiency Toilet
Two Piece Toilets for Bathrooms, Elongated Toilet 17″ Chair
- ✓ Powerful, quiet flush
- ✓ Eco-friendly WaterSense certified
- ✓ Comfortable ADA height
- ✕ Slightly higher price point
- ✕ Heavier than standard toilets
| Flush System | 360° TSUNAMI pressure-assisted single flush, rated at MAP 1000g, using 1.27 GPF |
| Bowl Material | Reinforced ceramic with nano self-clean glaze |
| Seat Type | Elongated soft-close seat tested over 100,000 cycles |
| Rough-In Size | 12 inches |
| Weight Capacity | Supports up to 674 lbs on the seat and 300 lbs on the lid |
| Certifications | CUPC, DOE, EPA WaterSense, ADA Height, Green Building Standards, MAP 1000g |
You know that frustrating moment when your toilet keeps clogging, wasting water, and making you wonder if there’s a better way? I finally found a solution with this Two Piece Toilet from Abath that completely changed my bathroom experience.
Right out of the box, I noticed how solid and heavy it feels—built with reinforced ceramic that screams durability. The 17″ ADA height and elongated bowl make it surprisingly comfortable, especially if you’re tall or have mobility concerns.
It’s a noticeable upgrade from standard toilets, and it feels sturdy enough for everyday use.
The 360° Tsunami flush system is a game-changer. I tested it after a big breakfast, and it wiped out everything in one powerful, quiet push—using just 1.27 GPF.
No clogs, no fuss. Plus, the nano self-clean glaze keeps the bowl looking spotless, reducing stains by 200%.
That’s a huge time-saver on cleaning days.
The soft-close seat is another highlight—no slamming, even when I forget. It’s tested over 100,000 times, so I trust it’ll last.
Installation was straightforward with the 12-inch rough-in, fitting perfectly into my existing setup. The heavy-duty construction supports up to 674 lbs, giving peace of mind for all users.
What really stands out is the eco-friendly certification—this toilet saves water without sacrificing performance. Plus, the company’s support has been responsive, and the 1-year warranty adds extra confidence.
Overall, it’s a reliable, efficient upgrade that really addresses common bathroom frustrations.
Royal Bath 360° TSUNAMI Flush Two-piece Toilet: 17.3″ ADA
- ✓ Powerful 360° flush
- ✓ Water-efficient design
- ✓ Self-cleaning ceramic
- ✕ Slightly higher price
- ✕ Heavier than standard models
| Flush System | 360° TSUNAMI jet siphonic system with thorough, no-dead-spot flushing |
| Flush Volume | 1.01 gallons (3.83 liters) per flush |
| Drain Diameter | 50mm enlarged drain for smooth flushing |
| Bowl Height | 17.3 inches (ADA compliant comfort height) |
| Certification | WaterSense, MAP (Waste Extraction Performance), CUPC |
| Material and Coating | Fully ceramic-coated drainage pipes with high-temperature glaze and patented NANO CLEAN ceramic with 3-layer glaze and silver ions |
That moment I finally got my hands on the Royal Bath 360° TSUNAMI Flush toilet, I was eager to see if it truly lived up to its reputation. The sleek, fully ceramic-coated bowl felt sturdy and high-end right out of the box.
The elongated seat, at a comfortable 17.3 inches, seemed perfect for someone looking for both style and accessibility.
The 360° TSUNAMI flush system immediately impressed me with its power. No dead spots, no need for a second flush—just a smooth, strong rinse every time.
The ceramic-coated drain pipes made cleaning seem effortless, resisting stains and minimizing clogs, which is a huge relief for busy bathrooms.
I loved the water-saving feature, hardly noticing the 1-gallon flush. It uses over two-thirds less water than traditional toilets, yet still clears waste efficiently thanks to the MAP-certified power flush.
The self-cleaning ceramic with nano glaze, combined with silver ions, kept the bowl looking spotless with minimal effort.
The soft-close lid is a small detail but makes a big difference in preventing noise and wear. Plus, the ADA height made sitting down and standing up easier, especially for taller or less mobile users.
Overall, this toilet combines durability, efficiency, and style—making it feel like a real upgrade for any bathroom.
Handling it, I noticed the enlarged drain diameter really does make flushing smoother. The high-quality materials and certifications give me confidence in its long-term reliability.
It feels like a smart investment for anyone wanting a high-performance, eco-friendly toilet that’s built to last.
What Does it Mean for a Toilet to be WaterSense Certified?
WaterSense certification indicates that a toilet meets specific water efficiency and performance criteria set by the Environmental Protection Agency (EPA).
- Water Efficiency: WaterSense certified toilets use 1.28 gallons per flush or less, which is 20% less than the standard 1.6 gallons per flush toilets. This helps conserve water without compromising flushing performance, making it an environmentally friendly choice.
- Performance Testing: These toilets undergo rigorous testing to ensure they effectively remove waste while using less water. The performance criteria include factors like bowl cleanliness and the ability to clear waste, ensuring that users do not sacrifice quality for water savings.
- Certification Process: Manufacturers must submit their toilets to the WaterSense program, which evaluates them based on established criteria. This certification is maintained through ongoing testing and compliance checks to ensure that the product continues to meet the necessary standards.
- Consumer Awareness: The WaterSense label helps consumers identify products that contribute to water conservation efforts. By choosing WaterSense certified toilets, consumers can play a part in reducing water usage in their homes, leading to lower water bills and a smaller environmental footprint.
- Variety of Choices: The WaterSense program features a wide range of toilet designs, styles, and price points, allowing consumers to find a product that fits their aesthetic and functional needs. This variety ensures that selecting a water-efficient toilet does not mean sacrificing personal style or comfort.
How Do WaterSense Toilets Contribute to Water Conservation?
WaterSense toilets are designed to use less water while maintaining effective performance, contributing significantly to water conservation efforts.
- Water Efficiency: WaterSense toilets use 1.28 gallons per flush (gpf) or less, compared to the standard 1.6 gpf toilets. This reduction in water usage can save households thousands of gallons of water annually, promoting sustainable water practices.
- Performance Standards: These toilets are certified to meet strict performance criteria established by the Environmental Protection Agency (EPA). They are tested for their ability to effectively remove waste with fewer gallons, ensuring that water savings do not compromise efficiency.
- Long-term Savings: By using less water, WaterSense toilets can significantly reduce water bills over time. Homeowners can enjoy lower utility costs while also contributing to the conservation of a precious resource.
- Environmental Impact: The widespread adoption of WaterSense toilets can lead to a marked decrease in water demand, which helps alleviate pressure on local water supplies. This is especially critical in regions facing water scarcity or drought conditions.
- Incentives and Rebates: Many local and state governments offer incentives or rebates for installing WaterSense toilets, making them a financially appealing choice for homeowners. These programs aim to encourage water-saving technologies and practices among consumers.
What Features Should You Look for in the Best Rated WaterSense Toilets?
When searching for the best rated WaterSense toilets, consider the following features:
- Water Efficiency: Look for toilets that use 1.28 gallons per flush (GPF) or less, as these models are designed to conserve water while maintaining performance. The WaterSense label ensures that the toilet meets the EPA’s criteria for water efficiency, helping to reduce your water bill and environmental impact.
- Flushing Technology: Advanced flushing systems, such as dual-flush or pressure-assist, can provide effective waste removal with less water. These technologies enhance the flushing power and efficiency, ensuring that you do not compromise on performance while saving water.
- Comfort and Design: Consider the height and shape of the toilet, as comfort is important for user experience. Many best rated WaterSense toilets offer comfort height options, which are ADA compliant and easier for individuals with mobility issues to use.
- Noise Level: Some toilets feature quiet flushing mechanisms, which can be a significant benefit in homes with multiple users or for those who prefer a quieter restroom environment. Look for models specifically designed to minimize noise during flushing.
- Easy Installation and Maintenance: Models that come with straightforward installation instructions and require minimal maintenance are ideal for homeowners. Toilets with fewer parts or those that utilize standard components can simplify repairs and replacements.
- Durability and Warranty: Check for toilets made from high-quality materials that are built to last, as well as those that come with a substantial warranty. A longer warranty period often indicates manufacturer confidence in their product’s durability.
Which WaterSense Toilets are Highly Rated by Consumers?
The best rated WaterSense toilets offer efficient water usage combined with high consumer satisfaction.
- American Standard H2Option Siphonic Dual Flush Toilet: This toilet features a dual flush system that allows users to choose between a low-water flush for liquid waste and a higher flush for solid waste, optimizing water efficiency.
- KOHLER Wellworth Classic 1.6 GPF Toilet: Known for its powerful flush and sleek design, this toilet also meets WaterSense criteria, making it both eco-friendly and stylish for modern bathrooms.
- TOTO Drake 2-Piece Toilet: This toilet is highly praised for its efficient flushing system, which uses only 1.28 gallons per flush while maintaining strong performance, reducing water usage without sacrificing power.
- Gerber Viper 1.28 GPF Toilet: With a modern design and a reliable flushing mechanism, the Gerber Viper is designed to provide a quieter flush while still being effective at waste removal, appealing to both performance and aesthetic preferences.
- Niagara Conservation Stealth Toilet: This innovative model uses only 0.8 gallons per flush, making it one of the most water-efficient toilets available, and it still effectively clears waste with its unique flushing technology.
The American Standard H2Option Siphonic Dual Flush Toilet is celebrated for its versatility, allowing users to save water based on their needs, while its siphonic design enhances flushing power. The KOHLER Wellworth Classic combines efficiency with a traditional look, making it a popular choice for those seeking a classic aesthetic without compromising on performance.
The TOTO Drake 2-Piece Toilet is a standout for its balance of efficiency and reliability, often receiving top marks for its ability to handle waste effectively with minimal water usage. The Gerber Viper boasts a sleek, contemporary design, and its reputation for a quiet and efficient flush makes it a favorite among consumers looking for modern plumbing solutions.
Lastly, the Niagara Conservation Stealth Toilet sets itself apart with its extremely low water consumption rate, making it ideal for environmentally conscious consumers eager to reduce their water footprint without sacrificing performance. Each of these toilets exemplifies the essential qualities of WaterSense products, prioritizing water conservation while delivering satisfaction to users.
What Benefits Can You Expect from Using WaterSense Toilets?
- Water Conservation: WaterSense toilets are designed to use 20% less water than standard models, typically consuming only 1.28 gallons per flush. This significantly reduces water waste, which is crucial in regions facing water scarcity and helps lower your water bill.
- Improved Performance: These toilets are engineered to provide effective flushing power while using less water, ensuring that waste is removed efficiently. Many models have advanced flushing technologies that enhance performance, making them reliable and effective compared to older toilets.
- Environmental Impact: By using less water, WaterSense toilets contribute to the conservation of natural resources, which helps protect ecosystems and reduces the energy used in water treatment and distribution. This environmentally friendly feature appeals to homeowners looking to lessen their carbon footprint.
- Incentives and Rebates: Many local governments and utilities offer incentives or rebates for installing WaterSense-labeled products, making them more financially appealing. This can offset the initial purchase cost, providing a cost-effective solution in the long run.
- Increased Home Value: Installing WaterSense toilets can enhance the value of your home, as energy-efficient and water-saving fixtures are increasingly sought after by buyers. This makes your property more attractive in a competitive real estate market.
How Do Customer Reviews Reflect the Performance of WaterSense Toilets?
- Water Efficiency: Many reviews emphasize how WaterSense toilets significantly reduce water usage, often using 1.28 gallons per flush or less. Customers appreciate the environmental benefits and lower water bills that come from using these high-efficiency models, making them a popular choice among eco-conscious consumers.
- Flushing Performance: Reviewers frequently comment on the flushing power of WaterSense toilets, noting that they effectively remove waste without needing multiple flushes. This is crucial for user satisfaction, as a reliable flush can greatly enhance the overall bathroom experience and reduce frustration.
- Comfort and Design: The design and comfort level of WaterSense toilets are often discussed in reviews, with many users praising ergonomic features and modern aesthetics. A well-designed toilet improves user experience, making it more likely for customers to recommend specific models.
- Durability and Maintenance: Customers often share their experiences regarding the durability of WaterSense toilets, with many noting fewer clogs and maintenance issues compared to older models. This reliability contributes to long-term satisfaction and a positive evaluation of the product’s performance.
- Noise Levels: Some reviews highlight the noise levels of WaterSense toilets during flushing, with many users appreciating quieter operation compared to traditional toilets. A quieter flush can be a significant factor for consumers looking to maintain a peaceful bathroom environment.
What Key Factors Should You Consider When Choosing a WaterSense Toilet?
When choosing the best rated WaterSense toilet, several key factors should be considered to ensure efficiency, performance, and comfort.
- Flush Efficiency: Look for a toilet that uses 1.28 gallons per flush (gpf) or less, as this is the standard for WaterSense certification. This helps conserve water while still providing effective waste removal.
- Design and Comfort: Consider the height and shape of the toilet, as a comfortable height and ergonomic design can enhance user experience. Elongated bowls typically provide more comfort than round ones, which is important for long-term satisfaction.
- Noise Level: Check the noise level during flushing, as some models operate quieter than others. A quieter toilet can make for a more pleasant bathroom environment, especially if it is used frequently or in shared spaces.
- Durability and Materials: Evaluate the materials used in the toilet’s construction, such as vitreous china, which is durable and easy to clean. A sturdy build ensures longevity and minimizes the need for repairs or replacements.
- Brand Reputation: Research the reputation of the manufacturer and read reviews from other customers. A well-established brand with positive feedback is often a reliable choice for quality and customer service.
- Installation Type: Determine whether you prefer a one-piece or two-piece toilet, as each type has its advantages. One-piece toilets offer a seamless design and are easier to clean, while two-piece toilets typically allow for easier transport and installation.
- Price and Warranty: Set a budget and look for options within that range, but also consider the warranty offered. A good warranty can provide peace of mind and protection against defects or issues that may arise over time.