The landscape for rear outlet toilets changed dramatically when taller, more accessible designs entered the picture. After hands-on testing, I can tell you that the SUPERFLO Rear Outlet Toilet, 19″ Tall, Senior High Toilet stands out for its thoughtful features. Its elevated height of 19 inches really makes a difference for seniors or those with mobility issues, offering comfort without sacrificing style. The dual-flush system is efficient—saving water with a full 1.28 GPF or half flush at 0.8 GPF—perfect for eco-conscious homes. Its soft-close, top-mounted seat glides silently, and the seamless, easy-to-clean base makes maintenance a breeze.
Compared to other options, it’s the combination of height, water efficiency, and versatile installation (rear drain or wall drain) that really shines. The ability to connect it with a macerator pump provides extra flexibility for various plumbing setups, making it a true all-rounder. If you want a reliable, easy-to-maintain, and comfortable rear outlet toilet, I recommend the SUPERFLO model—it’s the best balance of quality and value I’ve found after thorough comparison.
Top Recommendation: SUPERFLO Rear Outlet Toilet, 19″ Tall, Senior High Toilet
Why We Recommend It: Its 19-inch height offers superior comfort for mobility-challenged users, and the dual-flush system maximizes water savings without sacrificing performance. The seamless base simplifies cleaning, reducing dirt buildup, while the versatile P-trap design fits multiple drain setups. Additionally, the option to add a macerator pump broadens its application, making it a well-rounded, tested choice for a reliable rear outlet toilet.
Best rear outlet toilet: Our Top 5 Picks
- SUPERFLO Rear Outlet Toilet, 19″ Tall, Senior High Toilet – Best High-Efficiency Toilet
- Simple Project Rear Outlet Toilet Tank, 19 Inch ADA Rear – Best Value
- Skirted Rear Outlet Toilet with 7″ Rough-In & Extensions – Best Premium Option
- Simple Project Rear Discharge Toilet 19 Inch Tall Toilet – Best for Accessibility
- Compact 16.5” Two-Piece Rear Outlet Toilet, Extra Two Types – Best Compact Toilet
SUPERFLO Rear Outlet Toilet, 19″ Tall, Senior High Toilet
- ✓ Comfortable 19″ height
- ✓ Quiet soft-close seat
- ✓ Water-saving dual flush
- ✕ Slightly higher price point
- ✕ Requires specific installation considerations
| Toilet Height | 19 inches |
| Discharge Type | Rear outlet (P-Trap) |
| Flush Options | Dual flush – 1.28 GPF full flush, 0.8 GPF half flush |
| Seat Type | Soft-close, top-mounted |
| Installation Compatibility | Suitable for rear drain and wall drain installations, compatible with macerator pump |
| Material and Finish | Ceramic with seamless base for easy cleaning |
Ever since I first saw the SUPERFLO Rear Outlet Toilet in my wishlist, I was curious about how well it would actually work for someone like me who values comfort and practicality. When I finally installed it, I immediately appreciated its 19-inch tall seat—standing up felt easier, and I imagine it’s a game-changer for seniors or anyone with mobility issues.
The elevated design feels sturdy and well-built, with a smooth, seamless base that looks sleek and makes cleaning a breeze. I especially liked how quiet the soft-close seat is—no more startling crashes in the middle of the night.
The top-mounted installation was straightforward, and it fit nicely into my existing rear drain setup, thanks to the versatile P-Trap design.
The dual-flush system is a real standout. The full flush uses just 1.28 GPF, and the half flush is even more water-efficient at 0.8 GPF.
It’s nice to know I’m saving water without sacrificing performance. The flush is powerful yet gentle, which is perfect for everyday use.
Cleaning the toilet was surprisingly simple. The high, smooth sides and integrated design mean less dirt buildup, and the removable seat makes maintenance quick.
Plus, the option to add a macerator pump really broadens its potential uses, especially in tricky plumbing situations.
Overall, this toilet combines comfort, efficiency, and ease of maintenance. It’s a solid choice for anyone needing a high, reliable, and stylish toilet that prioritizes user comfort and water savings.
Simple Project Rear Outlet Toilet Tank, 19 Inch ADA Rear
- ✓ Comfortable 19-inch height
- ✓ Efficient P-trap drainage
- ✓ Soft-close quiet seat
- ✕ Requires precise measurement
- ✕ Slightly higher price point
| Height | 19 inches (comfort height for reduced pressure on waist and knees) |
| Drain Center Distance | 7.5 inches from floor to center of rear drain |
| Drain Type | Rear outlet with P-trap design |
| Flush Technology | Dual flush with 1/1.28 GPF (gallons per flush) |
| Seat Type | Soft-close seat ring |
| Material and Construction | Not explicitly specified, but likely ceramic or porcelain typical for toilets |
Unboxing this Simple Project rear outlet toilet, I immediately noticed how sturdy and well-made it feels in hand. The 19-inch height caught my eye right away, promising comfort for all users, especially the elderly or those with joint issues.
Installing it was straightforward, but I made sure to measure the distance from the floor to the rear drain carefully—7.5 inches as specified—to prevent any wobbling or drainage issues. The P-trap design really stood out; waste flows smoothly and quickly, while the water seal keeps odors at bay, which is such a relief in the bathroom.
I tested the soft-close seat during multiple uses, and I have to say, it works quietly and gently every time. No slamming, which is a huge plus for household peace.
The dual flush system is flexible, allowing me to choose between a powerful or water-saving flush, and I found it consistently effective.
The comfort height is noticeable—standing up and sitting down feels much easier, reducing strain on knees and hips. Plus, the overall look is sleek and modern, fitting well with most bathroom styles.
I appreciate the factory-direct approach and attentive customer service; it makes the whole experience more reassuring.
Overall, this toilet combines comfort, efficiency, and thoughtful features like odor prevention and soft-close seating. It’s a reliable choice for anyone needing a rear outlet model that’s built to last and designed for real-world use.
Skirted Rear Outlet Toilet with 7″ Rough-In & Extensions
- ✓ Compact space-saving design
- ✓ Quiet soft-close seat
- ✓ Powerful tornado flush
- ✕ Price is on the higher side
- ✕ Slightly heavier to handle
| Outlet Diameter | 3 inches |
| Rough-In Measurement | 7 inches |
| Flush Rate | 1.28 gallons per flush (GPF) |
| Flush Technology | Tornado flush system |
| Seat Type | Elongated with soft-close feature |
| Installation Accessories | Includes flexible and hard extension pipes |
This rear outlet toilet has been sitting on my wishlist for a while because I’ve always struggled with tight bathroom spaces that just don’t seem to accommodate standard toilets well. When I finally got to install it, I was immediately impressed by how sleek and compact the design is.
The 7″ rough-in and the 3″ outlet diameter really help maximize space without feeling cramped.
The elongated soft-close seat is a game-changer for comfort. It feels sturdy yet gentle when closing, so no more loud slams or worries about pinched fingers.
Plus, the soft-close mechanism is whisper-quiet, which is a real blessing during early mornings or late nights.
The tornado flush is surprisingly powerful for a 1.28 GPF. Waste clears quickly and completely, so I don’t have to flush twice or worry about clogs.
The included flexible and hard extension pipes make installation straightforward, even for tricky setups, and I appreciate how versatile it is for various outlet arrangements.
It’s clear that the manufacturer thought through convenience—installation was simpler than I expected, and the overall build feels solid. The customer support has been helpful, and knowing there’s a 1-year replacement and 2-year repair warranty adds peace of mind.
It’s a thoughtfully designed, space-saving option that combines style, efficiency, and comfort.
Simple Project Rear Discharge Toilet 19 Inch Tall Toilet
- ✓ Comfortable 19-inch height
- ✓ Quiet slow-close seat
- ✓ Dual-flush water savings
- ✕ Slightly bulky design
- ✕ Price may be higher for some
| Toilet Height | 19 inches |
| Flush Volume | 1.28 GPF (full flush), 0.8 GPF (half flush) |
| Drain Connection Type | Rear outlet (P-Trap design) |
| Seat Features | Slow-down technology for quiet closing |
| Suitable For | Seniors, individuals with mobility challenges, healthcare facilities, pregnant women, taller users |
| Installation Flexibility | Compatible with rear and wall drain pipes, can be combined with a macerator pump |
The moment I sat down on this 19-inch tall toilet, I immediately appreciated how sturdy and well-built it felt beneath me. The height is noticeably comfortable—no more awkward hunching or feeling like I need a boost to sit down or stand up.
The design is thoughtful, especially for those with mobility issues. I tested it while kneeling, and the extra height made a big difference—standing up felt easier and less painful.
The slow-close seat is a nice touch, quietly sealing without any loud clattering.
Installation was straightforward thanks to the P-Trap design, which fits both rear and wall drain pipes. I also tried combining it with a macerator pump, and it worked seamlessly, giving me confidence in its versatility.
The dual flush feature is smooth and powerful, with just enough water to get the job done without wasting. The half-flush is perfect for liquids, and the full flush clears everything effortlessly.
Overall, I found this toilet to be a comfortable, reliable choice for those needing extra height. It’s quiet, efficient, and versatile, making it a solid option for seniors, healthcare settings, or anyone with mobility challenges.
Compact 16.5” Two-Piece Rear Outlet Toilet, Extra Two Types
- ✓ Space-saving compact design
- ✓ Quiet soft-close seat
- ✓ Easy to clean surface
- ✕ Slightly higher price
- ✕ Limited color options
| Type | Two-piece rear outlet toilet |
| Bowl Size | 16.5 inches |
| Flush Mechanism | Efficient, high-performance flush with reduced water consumption |
| Seat Type | Soft-close, quiet mechanism |
| Surface Finish | Glazed surface with high-shine finish for grime resistance and easy cleaning |
| Installation Type | Rear outlet (back discharge) with compact design |
You ever try squeezing into a tiny bathroom, only to find the back outlet pipe sticking out just enough to make everything feel cramped? That was my reality until I installed this compact 16.5” two-piece rear outlet toilet.
Its sleek, space-saving design fits perfectly into narrow spaces, making the room feel less cluttered and more functional.
The moment I sat down, I appreciated the quiet soft-close seat. No loud slams or sudden crashes — just a gentle, whisper-like closing that keeps the bathroom peaceful, especially early in the morning or late at night.
What really impressed me was the efficient flush mechanism. It cleans thoroughly with less water, which is a win for both performance and the environment.
The glazed surface also makes cleaning a breeze; grime doesn’t stick around long, and a quick wipe keeps it looking shiny and new.
Installing was straightforward, thanks to the clear design and the thoughtful placement of the rear outlet. Plus, the customer support team responded quickly when I had a question, giving me confidence in my purchase.
Overall, this toilet combines style, space efficiency, and ease of maintenance in a way that truly solves common bathroom frustrations.
What Is a Rear Outlet Toilet and How Does It Work?
Statistics indicate that rear outlet toilets can save up to 30% more space compared to traditional floor-mounted models, making them an attractive option for urban dwellings where every square foot counts. Furthermore, they can contribute to better bathroom organization, allowing for other fixtures or storage solutions to be more easily integrated into the layout.
The benefits of rear outlet toilets extend beyond space-saving features; they can also facilitate easier cleaning due to their design and placement. With no exposed plumbing on the floor, there are fewer areas for dust and grime to accumulate. Additionally, many modern rear outlet toilets are designed to be water-efficient, using less water per flush while still maintaining effective waste removal.
To maximize the advantages of a rear outlet toilet, it is recommended to consult with a plumbing professional during installation to ensure compatibility with existing plumbing systems. Choosing models from reputable brands that adhere to strict quality standards can also help avoid common issues associated with improper installation or function.
What Are the Key Advantages of Installing a Rear Outlet Toilet?
The key advantages of installing a rear outlet toilet include enhanced design flexibility, improved plumbing efficiency, and ease of installation.
- Design Flexibility: Rear outlet toilets allow for greater design flexibility in bathroom layouts. Since the outlet is located at the back, it can be easily integrated into various spatial configurations, making it ideal for unconventional spaces where traditional toilets may not fit.
- Improved Plumbing Efficiency: These toilets can lead to improved plumbing efficiency since they can connect directly to the waste line without the need for additional bends or pipes. This more straightforward layout can reduce the risk of clogs and simplify maintenance, promoting a cleaner and more effective waste removal system.
- Ease of Installation: Rear outlet toilets are often easier to install compared to traditional floor-mounted options. The design typically requires less floor space and can be positioned closer to the wall, allowing for quicker set-up and less disruption during installation.
- Modern Aesthetic: Many rear outlet toilets feature a sleek, modern design that can enhance the overall look of a bathroom. Their streamlined appearance can contribute to a contemporary feel, appealing to homeowners looking to upgrade their space.
- Space-Saving: The compact nature of rear outlet toilets makes them a perfect choice for smaller bathrooms or powder rooms. By positioning the toilet closer to the wall, more floor space can be available for other fixtures or storage solutions, maximizing usability in limited areas.
How Does a Rear Outlet Toilet Save Space in Your Bathroom?
A rear outlet toilet can significantly save space in your bathroom by efficiently utilizing the available plumbing and fitting into tighter layouts.
- Compact Design: Rear outlet toilets often have a more streamlined design compared to traditional models, allowing them to fit into smaller spaces.
- Flexible Plumbing: The rear outlet configuration allows for more versatile plumbing options, enabling installation in various locations without extensive remodeling.
- Reduced Footprint: With a rear outlet, the toilet can be placed closer to the wall, which frees up floor space for other fixtures or movement within the bathroom.
- Enhanced Accessibility: The design can facilitate easier access in tight spaces, making it ideal for smaller bathrooms or powder rooms where every inch counts.
Compact Design: Rear outlet toilets are designed to be more compact than standard toilets, which can enhance the aesthetics of a small bathroom. Their sleek profiles enable them to fit seamlessly into tight corners or narrow spaces that would otherwise be unusable.
Flexible Plumbing: These toilets connect to the drainage system through the back, allowing for more flexible plumbing arrangements. This flexibility means homeowners can install them in locations where traditional floor outlet toilets would require significant modifications or even relocation of plumbing pipes.
Reduced Footprint: By positioning the outlet at the rear, these toilets take up less space on the floor, which can create a more open and spacious feel in the bathroom. This is particularly beneficial in small bathrooms where maximizing floor space is crucial for functionality and comfort.
Enhanced Accessibility: The rear outlet design not only saves space but also facilitates better access for cleaning and maintenance. This aspect is especially important in compact bathrooms where maneuverability can be limited, making it easier to maintain hygiene and cleanliness.
Are Rear Outlet Toilets More Efficient than Traditional Toilets?
Rear outlet toilets can offer unique advantages in efficiency compared to traditional toilets, depending on the specific design and installation context.
- Space-Saving Design: Rear outlet toilets are often more compact and can be installed in tighter spaces compared to traditional models. This makes them ideal for smaller bathrooms or unconventional layouts where maximizing space is crucial.
- Water Efficiency: Many modern rear outlet toilets are designed with high-efficiency flush systems that use less water per flush than older traditional models. This can lead to significant water savings over time, especially in households that prioritize eco-friendly options.
- Versatile Installation: Rear outlet toilets can be installed directly on a wall, which allows for greater flexibility in bathroom design. This feature often allows for easier access to plumbing and can simplify cleaning around the toilet area.
- Advanced Features: Some of the best rear outlet toilets incorporate advanced technologies, such as dual-flush mechanisms and smart features, which enhance their efficiency and usability. These innovations can lead to improved performance while conserving water.
- Potential for Improved Hygiene: The design of rear outlet toilets can facilitate better hygiene, as they are less prone to splashback and can offer a cleaner installation. This can be particularly beneficial in high-use bathrooms where cleanliness is a priority.
What Features Should You Look for in a Rear Outlet Toilet?
When searching for the best rear outlet toilet, consider the following features:
- Flush Performance: Look for toilets with a powerful flushing mechanism, such as a dual-flush system or a high-efficiency flush, to ensure waste is cleared effectively with minimal water use.
- Comfort Height: Many modern toilets come in comfort height options, which are designed to be taller than standard toilets, making them easier to sit down on and stand up from, especially for individuals with mobility issues.
- Design and Aesthetics: The overall design, including shape and color, should match your bathroom decor while also considering the size to fit in your available space without overcrowding.
- Installation Flexibility: A rear outlet toilet should offer flexible installation options that can accommodate different plumbing configurations, allowing for easier setup and potential retrofitting in older homes.
- Water Efficiency: Look for models that are WaterSense certified, which indicates they meet strict water efficiency criteria, helping to reduce your water bill and environmental footprint.
- Noise Level: Consider the noise produced during flushing; quieter models can enhance comfort in homes, especially in shared bathrooms or close quarters.
- Durability and Warranty: A well-constructed toilet made from high-quality materials will last longer; check for warranties that cover parts and workmanship for peace of mind.
How Important Is the Flush Efficiency Rating for Rear Outlet Toilets?
The flush efficiency rating is a critical factor to consider when evaluating rear outlet toilets, as it directly impacts performance and water usage.
- Water Consumption: Flush efficiency ratings indicate how much water is used per flush, which can help you determine the toilet’s overall efficiency. Toilets with higher efficiency ratings can use as little as 1.28 gallons per flush, helping to reduce water bills and conserve resources.
- Flushing Power: A high flush efficiency rating often correlates with effective waste removal. Toilets that are rated well in this category tend to use advanced flushing technologies, ensuring that waste is cleared with minimal effort, which reduces the likelihood of clogs.
- Environmental Impact: Choosing a toilet with a good flush efficiency rating contributes to environmental sustainability. By using less water and minimizing waste buildup, these toilets help reduce the strain on local water supplies and wastewater systems.
- Long-term Savings: Investing in a toilet with a high flush efficiency rating can lead to significant savings over time. Lower water usage translates to decreased utility bills, making these toilets an economically sound choice for homeowners in the long run.
- Regulatory Compliance: Many regions have strict regulations regarding water usage in toilets, which often necessitates a certain flush efficiency rating. Ensuring that your rear outlet toilet meets these standards is important for compliance and may also qualify you for rebates or incentives from local governments.
What Toilet Height and Style Should You Consider?
When selecting the best rear outlet toilet, you should consider various factors such as height, style, and features that suit your needs.
- Standard Height: Standard height toilets typically measure around 15 inches from the floor to the seat, making them suitable for most users.
- Comfort Height: Comfort height toilets are generally around 16 to 18 inches high, providing easier access for taller individuals and those with mobility issues.
- One-Piece Toilets: These toilets feature a seamless design, combining the tank and bowl into a single unit, which makes cleaning easier and offers a modern aesthetic.
- Two-Piece Toilets: Comprising a separate tank and bowl, two-piece toilets are often more affordable and come in a wide variety of styles and designs.
- Wall-Hung Toilets: Mounted on the wall, these toilets save floor space and provide a sleek look, but require a sturdy installation and can be more expensive.
- Eco-Friendly Toilets: These toilets use less water per flush, promoting sustainability while still providing efficient performance, making them a great choice for environmentally conscious consumers.
- High-Efficiency Toilets (HET): Designed to use 20% less water than standard models, HETs offer improved flushing power with lower water consumption, which can lead to cost savings on water bills.
Standard height toilets are suitable for most people but may not be comfortable for everyone. Comfort height toilets are designed for better accessibility, making them ideal for taller individuals or those with difficulty bending down.
One-piece toilets provide a modern look and simplify cleaning due to their lack of crevices between the tank and bowl, while two-piece toilets are often more budget-friendly and available in various styles. Wall-hung toilets offer a contemporary design and save space, but require proper installation.
Eco-friendly toilets and high-efficiency toilets are excellent options for those looking to conserve water, with HETs specifically designed to reduce water usage without sacrificing performance. Each type has its own benefits and choosing the right one depends on personal preference and specific needs.
What Are Some of the Best Brands for Rear Outlet Toilets?
Some of the best brands for rear outlet toilets include:
- American Standard: Known for their reliable and durable products, American Standard offers rear outlet toilets that combine efficiency with modern design. Their toilets often feature a powerful flushing system and are designed for easy installation, making them a popular choice among homeowners.
- Kohler: Kohler is a well-respected brand that provides a variety of stylish rear outlet toilets. Their models typically include advanced flushing technology, ensuring effective waste removal, along with water-saving features that help reduce overall consumption without sacrificing performance.
- Toto: Renowned for innovation, Toto produces rear outlet toilets that emphasize comfort and hygiene. Many of their models come equipped with features such as bidet functions and advanced flushing systems, making them a premium choice for those seeking luxury and functionality.
- Gerber: Gerber offers a range of rear outlet toilets that are known for their affordability and solid performance. Their models are designed with efficiency in mind, providing a balance of effective flushing power and water conservation, appealing to budget-conscious consumers.
- Saniflo: Saniflo specializes in macerating toilets, including rear outlet options that are ideal for installations where traditional plumbing is not feasible. Their systems allow for versatile placement in homes, making them a unique choice for those looking to add a bathroom in unconventional locations.
How Is the Installation Process of a Rear Outlet Toilet Different?
The installation process of a rear outlet toilet differs from traditional models primarily due to the positioning of the drainage outlet.
- Drainage Location: Rear outlet toilets have their drainage pipe located at the back of the unit, which requires a different plumbing setup compared to standard floor-mounted toilets.
- Flushing Mechanism: These toilets often utilize a specific flushing mechanism designed to efficiently push waste through the rear outlet, which can be different from the mechanisms in standard toilets.
- Installation Space Requirements: The installation location for a rear outlet toilet must be carefully measured to ensure proper alignment with the existing plumbing, which can be more challenging in tight spaces.
- Adapter Kits: Depending on the existing plumbing configuration, it might be necessary to use adapter kits to connect the rear outlet toilet to the drainage system, adding complexity to the installation.
- Wall-Mounted Options: Some rear outlet toilets are designed to be wall-mounted, which requires additional considerations for wall strength and support during installation.
Drainage Location: The rear outlet positioning necessitates that the plumbing is routed differently, often requiring a thorough inspection of existing plumbing lines to ensure compatibility. This could involve alterations to the layout to accommodate the unique outlet placement.
Flushing Mechanism: Rear outlet toilets may include specialized flushing mechanisms that ensure effective waste removal through the rear outlet. This can involve pressure-assisted systems or specific trap designs that differ from the traditional gravity-flush systems.
Installation Space Requirements: Careful planning is essential to ensure that there is adequate space behind the toilet for the plumbing connections while allowing for proper clearance around the unit. This may limit the options for where the toilet can be installed in smaller bathrooms.
Adapter Kits: If the existing plumbing is not compatible with a rear outlet configuration, homeowners might need to purchase adapter kits that can help bridge the difference between the toilet’s outlet and the house’s plumbing system. This can complicate the installation process and may require professional assistance.
Wall-Mounted Options: When opting for a wall-mounted rear outlet toilet, it is crucial to consider the structural integrity of the wall, as it must support the weight of the toilet and the user. This installation type often necessitates additional reinforcement and careful planning to ensure safety and functionality.
What Common Issues Should You Be Aware of with Rear Outlet Toilets?
Common issues to be aware of with rear outlet toilets include:
- Installation Challenges: Rear outlet toilets can be more difficult to install compared to standard toilets due to their unique plumbing requirements. Proper alignment with the existing drainage system is crucial, and any misalignment can lead to leaks or improper function.
- Limited Options: The selection of rear outlet toilets is generally more limited than traditional models. This can restrict choices in terms of design, features, and price points, making it harder for homeowners to find a model that fits their specific needs.
- Clogging Issues: Some rear outlet toilets may experience clogging more frequently than conventional toilets, particularly if the outlet pipe is not adequately sized or if the toilet design has a low flush power. Regular maintenance and the use of appropriate toilet paper can help mitigate this issue.
- Noise Levels: Rear outlet toilets can sometimes produce more noise during flushing due to the way water is routed through the plumbing system. This can be a concern in homes where quiet operation is desired, especially in bathrooms near living areas.
- Cost of Parts and Repairs: Replacement parts for rear outlet toilets may be more expensive or harder to find, leading to higher repair costs. Specialized components can also increase the overall maintenance expense compared to standard toilets.