Rear outlet toilets are a practical choice for bathrooms with wall or rear drains, offering easier installation in tight spaces and enhanced accessibility for seniors or people with limited mobility. This guide highlights five highly relevant models that emphasize comfort, reliability, and water efficiency. Each product below is selected for its rear-discharge design, tall height options, and compatibility with common bathroom layouts. Read on to compare design features, installation considerations, and how these toilets perform in real-world settings.
| Product | Brand | Height / Outlet | Notable Feature |
|---|---|---|---|
| SUPERFLO Rear Outlet Toilet With 19-Inch Tall Bowl | SUPERFLO | 19-Inch Tall Rear Outlet | Dual-Flush and Extension Pipe Included |
| Simple Project Rear Outlet Toilet With Tank | Simple Project | 19-Inch Tall Rear Outlet | P‑Trap Design; Includes Extension Pipe |
| ARES 18-Inch Tall Rear Outlet Toilet | maceratingflo | 18-Inch Tall Rear Outlet | ADA-Comfort Height; Rimless 360° Flush |
| SUPERFLO 19-Inch Round Tall Rear Toilet | SUPERFLO | 19-Inch Tall Rear Outlet | Dual Flush With Extension Pipe |
| MaceratingFlo Rear Outlet Toilet With Tank | maceratingflo | Rear Outlet | Rear Discharge; Space-Saving Design |
SUPERFLO Rear Outlet Toilet With 19-Inch Height
The SUPERFLO rear outlet model combines a generous 19-inch bowl height with a rear-discharge design, improving comfort for taller users and those with mobility challenges. The toilet is compatible with both rear drain and wall drain configurations, offering installation flexibility in older or newly renovated bathrooms. A key feature is its water-saving dual-flush system, delivering a full flush at 1.28 GPF and a reduced flush at 0.8 GPF, helping households reduce daily water usage without sacrificing performance. An extension pipe enhances adaptability for varied plumbing layouts.
- 19-inch tall bowl height supports easier sitting and standing.
- P-Trap design enables rear drain or wall drain installations; extension pipe included for flexibility.
- Dual-flush system offers 1.28 GPF full flush and 0.8 GPF reduced flush.
- Rear discharge design optimizes compatibility with back-wall plumbing configurations.
Simple Project Rear Outlet Toilet With Tank
The Simple Project rear outlet toilet emphasizes accessibility and straightforward installation. With a 19-inch tall rear-outlet design, it is especially suitable for seniors or users with mobility concerns. The unit uses a P-trap design to promote efficient drainage and odor control, and it includes an extension pipe to accommodate tighter or unconventional bathroom layouts. The product supports a dual-flush option, typically offering a choice between a larger and smaller flush, helping to minimize water use while maintaining reliable performance. A note cautions users to verify drain center measurements during installation.
- 19-inch tall height reduces strain during use for seniors and taller individuals.
- P-Trap design provides direct flow and helps seal against odors.
- Includes extension pipe for flexible installation in diverse spaces.
- Dual-flush mechanism conserves water without sacrificing waste removal effectiveness.
ARES 18-Inch Tall Rear Outlet Toilet
The ARES rear-discharge toilet prioritizes accessibility with an 18-inch comfort height and an 18.5-inch elongated bowl. Designed for versatile installations, it ships with two types of P-Trap connectors and a back-mount installation concept, making it easy to adapt to both 3-inch and 4-inch PVC or ABS plumbing. An adjustable rough-in ensures a precise fit, while the rimless 360-degree flush promotes thorough cleaning and improved hygiene. This model positions itself as a practical option for homes seeking reliable performance and flexibility in complex bathroom layouts.
- 18-inch comfort height supports easy sitting and standing for all users.
- Back-mount design with two P-Trap connectors offers flexible installation options.
- Rimless 360° flush provides a thorough, hygienic clean with efficient water use.
- Adjustable rough-in accommodates a range of bathroom configurations.
SUPERFLO 19-Inch Round Tall Rear Toilet
This tall, round-bowl model from SUPERFLO focuses on comfort and adaptability in bathrooms with rear drainage. The 19-inch height offers ergonomic benefits for seniors and taller individuals, while the rear discharge design accommodates wall-drain configurations and, if needed, a macerating pump. It features a dual-flush system with options around 0.8 and 1.28 GPF, enabling efficient water usage depending on waste load. An extension pipe is included to help installation reach across varying plumbing distances. The unit is well-suited for homes seeking an elevated, space-conscious rear outlet option.
- 19-inch height supports comfort for seniors and tall users.
- Rear discharge compatible with wall drains; macerating pump option available.
- Dual-flush design enables water savings with two flush choices.
- Extension pipe included for flexible installation in tighter spaces.
MaceratingFlo Rear Outlet Toilet With Tank
The MaceratingFlo rear outlet toilet is designed for flexibility in challenging plumbing scenarios. Its rear discharge configuration accommodates renovations and installations where bottom-outlet models are impractical, making it suitable for both new builds and retrofits. The flushing system emphasizes high efficiency, delivering thorough waste removal with fewer cycles. Its compact, space-saving profile helps maximize bathroom usability in apartments, basements, or historical renovations, while maintaining solid performance. Consider this unit when rear drainage compatibility and quick, decisive flushing are priorities.
- Rear discharge supports versatile plumbing configurations and retrofits.
- High-efficiency flush system reduces the need for multiple flush cycles.
- Sleek, space-saving design fits compact bathrooms without compromising usability.
Buying Guide
Choosing the right rear outlet toilet involves weighing height, drainage options, flushing performance, and installation needs. The following considerations help compare models across brands and configurations, ensuring a purchase that aligns with bathroom layout, accessibility goals, and water use priorities.
Key Considerations
- Height and seat comfort: Taller bowls (18–19 inches) ease standing and sitting, particularly for seniors and taller individuals. Consider ADA-compliant options for consistent comfort and accessibility.
- Drainage configuration: Rear discharge toilets work well with wall drains and rear drains. If space is tight or plumbing is nonstandard, verify whether a macerator pump or extension pipe is recommended or included.
- Rough-in and compatibility: Check rough-in measurements (commonly 7 inches in many models) and pipe sizes (3″ or 4″ PVC/ABS) to ensure a proper fit. Some models include adjustable rough-in for precision mounting.
- Flushing performance and water use: Dual-flush systems balance full waste removal with water savings. Look for models with 1.28 GPF full flush and 0.8 GPF half flush equivalents, or similar efficiency ratings.
- Durability and warranty: Plastic components and glazed internal surfaces influence long-term reliability. Review warranty coverage and brand reputation when selecting among rear outlet options.
Height, Comfort, And Accessibility
For many users, a higher seat reduces strain on knees and hips. An 18- to 19-inch height options are common among rear-outlet toilets and can be paired with elongated or rounded bowls to balance space and comfort. In homes with limited mobility or senior living needs, ADA-compliant heights can simplify daily routines and minimize fatigue. The right height should align with the user’s seating preference and bathroom dimensions to prevent awkward bending or hopping between the toilet and grab bars.
Drainage Configurations And Extensions
Rear-discharge configurations allow installation against walls or in closets with rear plumbing. P-Trap designs help seal odors and improve drainage efficiency. Many models include extension pipes to adapt to variance in drain location. When planning a retrofit, measure from the floor to the center of the drain and consider whether your space requires a macerator pump for additional plumbing flexibility.
Flushing Performance And Water Efficiency
Dual-flush systems are common in rear outlet models, typically offering a larger flush for solid waste and a smaller flush for liquids. This approach conserves water while maintaining reliable cleansing power. Rimless or highly efficient flush mechanisms enhance hygiene and reduce residue. If you live in a region with water restrictions, prioritizing models with proven dual-flush performance can yield meaningful long-term savings.
Installation And Maintenance
Installation ease varies by model. Back-mount or wall-offset configurations may require different mounting hardware, P-Trap connectors, and rough-in alignments. Look for products that include installation accessories like extension pipes or multiple P-Trap options. Maintenance considerations include accessible tank components, a smooth toilet bowl surface for easy cleaning, and a design that resists clogs in high-use bathrooms.
Durability, Warranty, And Brands
Choose brands with documented customer support and solid warranty policies. Rear outlet toilets involve more complex plumbing interactions than standard toilets, so choosing a trusted brand can reduce the risk of leaks or fittings misalignment over time. Reading homeowner reviews and checking compatibility with local plumbing codes can help ensure a durable, long-lasting installation.