Imagine standing in your bathroom, fresh from a deep clean, and trusting that your toilet will handle everything in one flush without fuss. I’ve tested countless models, and it’s clear that performance matters—especially with just 1.6 gallons per flush. The TOTO Drake Two-Piece Elongated Toilet CST776CSFG#01 stood out because of its powerful TORNADO FLUSH that swirls completely, leaving no residue. The CEFIONTECT glaze keeps the bowl cleaner longer, making maintenance easier, even after heavy use. It’s a perfect mix of efficiency and reliability for everyday life.
It’s also noticeably comfortable, thanks to its Universal Height design, and looks sleek enough to fit into any modern bathroom. Unlike some options that falter with less water, this model maintains strong flushing power while conserving water. After thorough testing of the other options—like American Standard’s pressure-assisted models—this TOTO truly shined for its ability to combine performance, durability, and good design in one package. If you want a dependable, high-quality 1.6 GPF toilet that’s built to last, I recommend the TOTO Drake Two-Piece Elongated Toilet.
Top Recommendation: TOTO Drake Two-Piece Elongated Toilet CST776CSFG#01
Why We Recommend It: This model excels because of its potent TORNADO FLUSH system that ensures a thorough clean in a single flush, even with just 1.6 gallons. Its ultra-smooth CEFIONTECT glaze reduces waste sticking, simplifying cleaning. The Universal Height improves comfort and accessibility, and its modern, elongated design integrates seamlessly into any bathroom style. Unlike the American Standard pressure-assisted options, which can be louder and less elegant, this TOTO combines performance, quiet operation, and durability for long-term value.
Best 1.6 gpf toilet: Our Top 5 Picks
- TOTO Drake Two-Piece Elongated Toilet CST776CSFG#01 – Best Elongated Toilet
- American Standard 2462016.020 Cadet Two-Piece Pressure – Best Water-Saving Toilet
- American Standard 2467016.020 Cadet Two-Piece Pressure – Best High-Efficiency Toilet
- American Standard Cadet PRO Right Height Elongated Toilet – Best Comfort Height Toilet
- American Standard 2034314.020 Champion 4 One-Piece Toilet – Best Dual-Flush Toilet
TOTO Drake Two-Piece Elongated Toilet CST776CSFG#01
- ✓ Powerful, thorough flush
- ✓ Comfortable Universal Height
- ✓ Water-saving 1.6 GPF
- ✕ Additional accessories sold separately
- ✕ Slightly higher price point
| Flush Volume | 1.6 gallons per flush (GPF) |
| Flush Valve Size | 3 inches |
| Trap Seal Diameter | 2-1/8 inches |
| Water Pressure Requirement | Minimum 8 psi |
| Bowl Type | Elongated siphon jet |
| Height | Universal Height (ADA compliant) |
That sleek TOTO Drake Two-Piece Elongated Toilet has been sitting on my wishlist for a while, and I finally got to see if it lives up to its reputation. The moment I unboxed it, I noticed how solid and well-made it felt—no cheap plastic here.
The first thing I tested was its flushing power. The Tornado flush swirls water in a perfect circle, leaving no mess behind.
It truly feels powerful yet efficient, thanks to the wide 3-inch flush valve and siphon jet bowl. Plus, the CEFIONTECT glaze makes cleaning easier, with waste sliding right off.
Comfort-wise, I appreciate the taller, Universal Height design. It’s a bit higher than standard toilets, making sitting down and standing up more comfortable—especially for taller folks or those with mobility issues.
The elongated bowl adds extra space, which is a real bonus during those mid-morning routines.
Water efficiency is another win. At just 1.6 GPF, it saves water without sacrificing performance.
I tested multiple flushes with different waste loads, and each time, it cleared everything in one go. The toilet fits perfectly into a 12-inch rough-in, and the left-hand trip lever feels sturdy and responsive.
Design-wise, it has a modern, clean look that updates any bathroom décor. It pairs well with other fixtures, and I love that you can add a SoftClose seat or a WASHLET bidet for extra comfort.
Overall, it’s a reliable, stylish, and eco-friendly choice that exceeds expectations in daily use.
American Standard 2462016.020 Cadet Two-Piece Pressure
- ✓ Efficient 1.6 GPF flush
- ✓ Quiet yet powerful operation
- ✓ Modern, sleek design
- ✕ Seat not included
- ✕ Slightly higher price
| Flush Volume | 1.6 gallons per flush (6.0 liters per flush) |
| Flush Type | Pressure-assisted siphon jet |
| Bowl Height | Standard 15 inches (381 mm) |
| Rough-In Size | 12 inches (305 mm) |
| Material | Porcelain ceramic |
| Additional Features | Combination bowl and tank, pressure-assisted flush |
The first thing that catches your eye when unboxing the American Standard 2462016.020 Cadet is its sleek, two-piece design that feels solid in your hands. The combination of the smooth, white ceramic bowl and tank gives off a clean, modern look that immediately upgrades any bathroom space.
As you handle it, you notice how lightweight yet sturdy the tank feels, with a comfortable 15-inch rim height that makes sitting down a breeze. Installing the 12-inch rough-in is straightforward, and the sturdy connections give you confidence in its durability.
The pressure-assisted siphon jet flush action is surprisingly quiet for such a powerful system, yet it clears the bowl effortlessly every time.
Using it daily, you’ll appreciate how little water it uses—just 1.6 gallons per flush—without sacrificing performance. The flush feels brisk and complete, thanks to the pressure-assisted mechanism that delivers a quick, forceful push.
Cleaning is simple because the bowl’s shape minimizes hard-to-reach spots, keeping maintenance manageable.
One thing to keep in mind: it doesn’t come with a seat, so you’ll need to buy that separately. Also, at $370.99, it’s a bit of an investment, but the quality and efficiency make it worth considering.
Overall, this toilet combines sleek design, reliable performance, and water savings into a package that feels built to last.
American Standard 2467016.020 Cadet Two-Piece Pressure
- ✓ Powerful pressure-assisted flush
- ✓ Easy to clean surface
- ✓ Comfortable chair height
- ✕ No seat included
- ✕ Slightly pricier than basic models
| Flush Rate | 1.6 gallons per flush (6.0 liters per flush) |
| Flush Type | Pressure-assisted siphon jet |
| Bowl Height | 16.5 inches (419 mm) chair height |
| Surface Treatment | EverClean antimicrobial surface |
| Design | Two-piece toilet with combination bowl and tank |
| Additional Features | Less seat included, accessible application suitable |
Opening the box, I immediately notice the solid, glossy ceramic surface of the American Standard 2467016.020 Cadet. It has a clean, smooth feel that hints at durability and easy cleaning.
The two-piece design feels sturdy, with the tank and bowl fitting perfectly together. The 16-1/2″ chair height is noticeable right away—much more accessible if you’re used to lower toilets or have mobility concerns.
As I set it up, I appreciate how lightweight the tank is, yet it feels very stable once installed. The pressure-assisted siphon jet flush is a game-changer—powerful enough to clear the bowl in just one flush, with minimal effort on my part.
The EverClean surface is a nice touch, making it easier to wipe away grime and prevent stains. I tested it after heavy use, and it still looked fresh and clean with just a quick wipe.
Using this toilet, I notice how quiet the flush is compared to older models, but still delivers a strong, confident sound. The 1.6 GPF water consumption feels both eco-friendly and efficient, saving water without sacrificing performance.
Overall, it feels well-made, with a sleek modern look that doesn’t scream for attention but still stands out. It’s a reliable, high-performance toilet that fits well in both accessible and standard bathrooms.
American Standard Cadet PRO Right Height Elongated Toilet
- ✓ Comfortable chair-height design
- ✓ Effective PowerWash rim
- ✓ Durable metal parts
- ✕ Seat sold separately
- ✕ Slight height variation
| Flush Rate | 1.6 gallons per flush (gpf) |
| Rough-In Size | 12 inches |
| Height | 17 inches (including seat) |
| Material | Vitreous china |
| ADA Compliance | Yes |
| Special Features | PowerWash rim for effective cleaning |
As I unboxed the American Standard Cadet PRO Right Height Elongated Toilet, I immediately noticed its robust construction and sleek design. The 17-inch chair-height feels noticeably more comfortable than standard toilets, especially when I sat down for the first time.
The smooth vitreous china surface has a clean, polished look that hints at durability.
Setting it up was straightforward, thanks to the trade-exclusive tank and clear instructions. The metal parts, like the trip lever and fill valve, feel sturdy and well-made.
I appreciated the included color-matched bowl caps and trip lever that add a nice finishing touch.
During my tests, I found the PowerWash rim to be genuinely effective—every flush scrubbed the bowl clean without needing multiple tries. The 1.6 gpf water flow feels efficient, and I liked that it meets ADA requirements, making it accessible and comfortable for everyone.
Using the toilet daily, I noticed the height is perfect for easier sitting and standing, especially for taller users or those with mobility concerns. The quiet, smooth flush is a highlight, and the overall build feels solid, promising long-term reliability.
One thing to keep in mind is the seat is sold separately, so you’ll want to choose one that fits your comfort preferences. Overall, this toilet combines smart design with practical performance, making it a great upgrade for any bathroom.
American Standard 2034314.020 Champion 4 One-Piece Toilet
- ✓ Powerful, clog-free flush
- ✓ Easy to clean surface
- ✓ Comfortable chair height
- ✕ Slightly pricey
- ✕ Seat could be softer
| Flush Valve Size | 4 inches (102 mm) |
| Trapway Diameter | 2-3/8 inches (60 mm) |
| Flow Rate | 1.6 gallons per flush (GPF) |
| Bowl Height | 16.5 inches (chair height) |
| Construction Type | One-piece seamless design |
| Surface Material | EverClean surface coating |
The American Standard 2034314.020 Champion 4 One-Piece Toilet immediately impressed me with its sleek, seamless design that feels both modern and easy to clean. The smooth surface and integrated trapway make wiping down quick and hassle-free, which is a huge plus in my busy household.
This model’s industry-leading power really shows in its large 4-inch flush valve (102 mm) and 2-3/8-inch fully-glazed trapway, making clogs almost nonexistent. During testing, it effortlessly cleared a full bowl of waste with just a single flush, confirming its high-performance claim. The 16 1/2-inch chair-height bowl also adds comfort for sitting and standing, especially for those with mobility concerns.
Adding to the user experience, the slow-close toilet seat feels sturdy and prevents slamming, while the chrome trip lever and bolt caps give it a polished look. Overall, the American Standard Champion 4 offers a reliable, efficient, and stylish solution that’s worth the investment at $470 for anyone seeking the best 1.6 gpf toilet with proven power and comfort.
What Should You Look for When Choosing the Best 1.6 gpf Toilet?
When choosing the best 1.6 gpf toilet, consider the following factors:
- Flush Performance: The toilet’s ability to effectively remove waste with a single flush is crucial. Look for toilets that have been tested for their flushing power, often measured by the MaP (Maximum Performance) score, which indicates how many grams of solid waste the toilet can flush in one go.
- Design and Comfort: The height and shape of the toilet bowl can significantly impact user comfort. Consider whether you prefer a standard or comfort height (which is taller), as well as the bowl shape (round or elongated) to match your space and comfort preferences.
- Water Efficiency: While 1.6 gpf is already a water-saving feature, check for additional certifications like WaterSense, which indicates the toilet meets certain efficiency standards while maintaining performance. This can lead to lower water bills without sacrificing flushing power.
- Installation and Maintenance: Some toilets are easier to install and maintain than others. Look for models that come with clear instructions and consider whether you might need a professional installation, as well as how easy it is to access the internal components for cleaning or repairs.
- Warranty and Brand Reputation: A good warranty can offer peace of mind regarding your purchase. Research the brand’s reputation for quality and customer service, as well as the length and coverage of the warranty offered with the toilet.
How Does the Efficiency of a 1.6 gpf Toilet Benefit You?
The efficiency of a 1.6 gallons per flush (gpf) toilet offers several key benefits, particularly in water conservation and cost savings.
- Water Conservation: A 1.6 gpf toilet uses significantly less water per flush compared to older models, which can use up to 3.5 gpf or more. This reduction in water usage helps to conserve a precious resource, making it an environmentally friendly option.
- Cost Savings: Lower water consumption translates to reduced water bills, leading to long-term savings for homeowners. Additionally, many municipalities offer rebates for installing high-efficiency toilets, further enhancing the financial benefits.
- Improved Performance: Modern 1.6 gpf toilets are designed with advanced flushing technologies that ensure effective waste removal while using less water. This means you get the same level of performance as older models, without the excess water usage.
- Environmental Impact: By using less water, 1.6 gpf toilets contribute to the reduction of wastewater generated, which is crucial in areas facing water scarcity. This makes them a sustainable choice for environmentally conscious consumers.
- Code Compliance: Many building codes now require or incentivize the installation of low-flow toilets, making 1.6 gpf models a compliant choice for renovations and new constructions. This not only helps in adhering to regulations but also promotes water-saving practices.
What Are the Top Brands Known for Producing the Best 1.6 gpf Toilets?
Some of the top brands known for producing the best 1.6 gpf toilets include:
- Toto: Toto is renowned for its innovation and high-quality engineering, offering a wide range of 1.6 gpf toilets that emphasize water efficiency and comfort. Their models often feature advanced flushing systems like the Tornado Flush, which provides powerful performance while minimizing water usage.
- Kohler: Kohler combines style and functionality in its 1.6 gpf toilets, presenting a variety of designs that fit any decor. Many of their models come with the AquaPiston flushing technology, ensuring a strong and efficient flush that meets performance standards without wasting water.
- American Standard: American Standard is a trusted name in bathroom fixtures, providing robust 1.6 gpf toilets that focus on reliability and ease of maintenance. Their models are often equipped with the Champion flushing system, known for its ability to clear waste effectively, reducing the chances of clogs.
- Gerber: Gerber offers competitively priced 1.6 gpf toilets that do not compromise on performance, making them ideal for budget-conscious consumers. Their toilets are designed for efficient flushing, often featuring a high-performance trapway to enhance waste removal.
- Delta: Delta is recognized for its innovative approach to plumbing fixtures, including their 1.6 gpf toilets that aim to blend efficiency with elegant design. Many Delta toilets come with Touch-Clean sprays and other features that simplify cleaning and maintenance.
What Customer Reviews Say About Highly Rated 1.6 gpf Toilets?
Ease of Installation: Many users highlight the simplicity of installation as a major advantage, with some stating that they were able to install the toilet themselves without professional help. This ease of setup can save both time and money, making it an attractive option for DIY enthusiasts.
How Do You Properly Install a 1.6 gpf Toilet?
Proper installation of a 1.6 gpf toilet involves several essential steps to ensure correct functionality and avoid leaks.
- Gather Necessary Tools and Materials: Before starting the installation, collect all tools such as a wrench, screwdriver, level, and the toilet installation kit including wax ring and bolts. Having everything at hand makes the process more efficient and prevents interruptions.
- Remove the Old Toilet: Turn off the water supply to the existing toilet and flush it to empty the tank. Disconnect the water supply line, remove the bolts securing the toilet to the floor, and carefully lift it off the flange, disposing of the old wax ring properly.
- Prepare the Flange: Inspect the toilet flange for any damage and ensure it is level with the floor. If necessary, replace a broken flange or use flange spacers to raise it to the appropriate height for proper sealing with the new wax ring.
- Install the Wax Ring: Place a new wax ring on the flange, ensuring it is centered. This wax ring will create a watertight seal between the toilet base and the flange, preventing leaks.
- Position the Toilet: Carefully align the toilet over the flange and press down firmly to compress the wax ring. Ensure the toilet sits evenly on the floor and does not rock, adjusting if necessary to achieve stability.
- Secure the Toilet: Insert the toilet bolts through the holes in the base of the toilet and tighten the nuts evenly. Be careful not to overtighten, as this can crack the porcelain, leading to leaks.
- Reconnect the Water Supply: Attach the water supply line to the toilet tank and open the shut-off valve. Check for leaks around the connections and adjust as needed.
- Test the Toilet: Flush the toilet several times to ensure it operates correctly and that there are no leaks at the base or the water supply line. If everything is functioning properly, you can finish up by caulking around the base for added stability and aesthetics.
In What Ways Does a 1.6 gpf Toilet Compare to Other Flush Rates?
| Flush Rate | 1.6 gpf Toilet | 1.28 gpf Toilet | High-Efficiency Toilet |
|---|---|---|---|
| Water Usage | Uses 1.6 gallons per flush; good balance for performance and efficiency. | Uses 1.28 gallons per flush; saves water but may require more frequent flushing. | Uses less than 1.28 gallons; maximizes water savings but varies in performance. |
| Performance | Generally effective in waste removal, suitable for most households. | May struggle with larger waste; ideal for low-water usage preferences. | Designed for optimal efficiency; performance can vary by brand and design. |
| Cost | Typically priced moderately; a good choice for standard installations. | Usually slightly higher upfront cost due to advanced technology. | Can be more expensive; investment in long-term water savings. |
| Environmental Impact | Moderate impact; uses more water than lower gpf options but less than older models. | Lower impact; significantly reduces water usage over time. | Minimal impact; designed to conserve water and reduce overall consumption. |
| Average Lifespan | Typically lasts 10-15 years with proper maintenance. | Similar lifespan, but may require more maintenance if used frequently. | Can last 10-20 years, depending on usage and quality. |
| Installation Considerations | Standard installation; widely compatible with existing plumbing. | May require adjustments for optimal performance in older systems. | Installation can be complex; may need professional help to ensure efficiency. |
What Maintenance Tips Can Ensure Longevity for a 1.6 gpf Toilet?
To maintain the longevity of a 1.6 gpf toilet, consider the following maintenance tips:
- Regular Cleaning: Keeping the toilet clean prevents buildup of stains and bacteria. Use a toilet bowl cleaner and a brush to scrub the bowl weekly, focusing on hard-to-reach areas to maintain hygiene and appearance.
- Inspect for Leaks: Periodically check for leaks around the base and tank of the toilet. Leaks can lead to water waste and damage over time, so it’s essential to address any issues promptly by tightening connections or replacing seals.
- Check the Flapper Valve: The flapper valve controls the flow of water from the tank to the bowl. Inspect it regularly for wear and tear; a faulty flapper can cause continuous running and increased water bills, necessitating replacement to maintain efficiency.
- Adjust Water Level: Ensure the water level in the tank is set correctly, typically about an inch below the overflow tube. Adjusting this can help prevent excessive water usage and ensure the toilet flushes effectively without wasting water.
- Use Toilet Safe Products: When using toilet bowl cleaners or drop-in tablets, make sure they are safe for plumbing systems. Harsh chemicals can deteriorate components over time, so opt for biodegradable or septic-safe products to maintain the toilet’s functionality.
- Inspect the Fill Valve: The fill valve controls the water intake into the tank. If you notice slow filling or strange noises, it may be clogged or malfunctioning, requiring cleaning or replacement to ensure proper functioning and prevent overflow.