Choosing a low-height toilet can improve mobility and reduce strain during everyday use. This guide highlights five ADA- or chair-height options that fit smaller bathrooms while delivering reliable flushing performance and easy cleaning. Each product below links to its Amazon page for fast comparison. Read on to compare heights, water usage, and maintenance features to find the best fit for your bathroom needs.
| Product | Brand | Height | Flush Type / GPF | Notes |
|---|---|---|---|---|
| HOROW T0338W | HOROW | 17.3″ ADA Height | Dual Flush 0.8/1.28 GPF | One-piece design; MAP 1000g; compact profile |
| CASTA DIVA Elongated | CASTA DIVA | 17″ ADA Comfort Chair Height | Dual Flush 1.1/1.6 GPF | 12″ rough-in; fully glazed trapway |
| Colony One-Piece | American Standard | Chair Height | 1.28 GPF | Elongated front; easy cleaning |
| Cadet | American Standard | Chair Height | 1.6 GPF; Pressure-assisted | Two-piece; efficient flush |
| Deer Valley DV-1F026 | Deer Valley | Standard Height | 0.8/1.28 GPF Dual Flush | Soft-Close; skirted; easy-clean |
Horow T0338W ADA Height Toilet

The Horow T0338W combines a seamless, one-piece design with a low-profile footprint. It is ADA-compliant with a 17.3″ seat height, accommodating taller seat users while remaining suitable for compact bathrooms. The dual-flush system provides 0.8 GPF for liquids and 1.28 GPF for solids, delivering water efficiency while maintaining solid flushing power. A fully glazed 2″ trapway enhances cleaning and reduces the likelihood of buildup, and MAP performance reaches 1000 grams for high-efficiency flushing.
- One-piece construction simplifies cleaning and reduces crevices where dirt can collect
- ADA-height seating at 17.3 inches for comfortable transfers
- Dual-flush 0.8/1.28 GPF with MAP 1000g
- Fully glazed trapway for smooth operation
- Compact depth and width fit smaller bathrooms
Casta Diva 17-Inch ADA One-Piece Toilet

The Casta Diva model features an elongated, one-piece design with a 17″ ADA comfort chair height. It uses a dual-flush system offering 1.1 GPF for liquids and 1.6 GPF for solids, which helps balance performance with water savings. A MAP rating of 1000g supports robust flush capability, while a 12″ rough-in makes it suitable for a variety of bathroom layouts. The skirted, seamless exterior aids in cleaning and reduces crevices where dirt can accumulate.
- Elongated, one-piece construction for easy cleaning
- 17″ ADA comfort chair height for accessible seating
- Dual-flush 1.1/1.6 GPF with MAP 1000g
- 12″ rough-in and fully glazed trapway
American Standard Colony One-Piece Toilet

The Colony One-Piece Toilet from American Standard integrates the tank and bowl into a single, easy-to-clean unit. It offers a chair-height seating option and an elongated front for comfortable use in tighter bathrooms. The 1.28 GPF flush keeps water usage reasonable while delivering reliable waste removal. The seamless design minimizes hard-to-reach areas, and the one-piece construction reduces potential leaks and maintenance issues.
- One-piece design reduces crevices and simplifies cleaning
- Chair-height seating with an elongated bowl
- Efficient 1.28 GPF flush
- Sleek, compact profile for small bathrooms
American Standard Cadet Chair Height Toilet

The Cadet is a two-piece toilet that emphasizes compact, efficient performance with a chair-height seating option. Its pressure-assisted flush mechanism helps ensure strong waste removal while conserving water at 1.6 GPF. The elongated front provides comfort for users, and the two-piece design can be advantageous for installation in bathrooms with limited space or specific plumbing layouts.
- Two-piece construction for flexible installation
- Chair-height seating for easier sitting and standing
- Pressure-assisted flush at 1.6 GPF
- Elongated front for added comfort
Deer Valley Standard Height Dual-Flush Toilet

The Deer Valley DV-1F026 combines a modern, skirted one-piece exterior with a standard-height seat for everyday practicality. It employs a dual-flush system (0.8 GPF for liquids and 1.28 GPF for solids), supporting water savings without sacrificing flush performance. The soft-close seat reduces noise, and the skirted design makes cleaning easier by minimizing exposed crevices. This model also includes a 12″ rough-in for versatile in-wall plumbing compatibility.
- One-piece, skirted design for easy cleaning
- Standard height suitable for many users
- Dual-flush 0.8/1.28 GPF
- Soft-close seat and 12″ rough-in
Buying Guide
When selecting a low-height toilet, several factors influence comfort, performance, and longevity. Consider how your bathroom space, user mobility, and cleaning preferences align with product characteristics such as height category, flushing technology, and installation needs.
Height and accessibility are the core considerations. ADA-compliant heights (often around 17 inches or more from floor to seat) enable easier sitting and standing for many users, while standard heights (roughly lower than ADA) can suit households with less mobility or different ergonomic needs. In small bathrooms, a compact footprint and elongated bowls can maximize comfort without sacrificing space.
Flushing performance and water efficiency are closely tied. Dual-flush systems offer separate modes for liquids and solids, typically saving water compared with single-flush designs. Look for MAP (Maximum Performance) flush scores as an indicator of flushing power, and pay attention to gallons per flush (GPF) ratings—lower GPF values generally mean greater water savings, though real-world performance should be evaluated from the product’s design and trapway.
Design and maintenance considerations also matter. One-piece toilets provide seamless surfaces that are easier to clean but can be heavier to install. Two-piece models offer flexibility in installation and sometimes cost savings. Skirted designs hide crevices and simplify cleaning, while fully glazed trapways improve flushing reliability and reduce resistance to waste movement. A longer rough-in (12″) can accommodate more bathroom layouts; a shorter rough-in (10″ to 12″) can help fit tighter spaces.
Installation and serviceability are practical concerns. Check your bathroom’s rough-in distance, supply line location, and existing plumbing compatibility. Ensure you select a model with a compatible seat type and desired features, such as soft-close hinges and integrated seats. Finally, consider warranty coverage and access to replacement parts, which influence long-term maintenance and total cost of ownership.
Quick Comparison
| Product | Height Category | Flush Type | GPF | Notes |
|---|---|---|---|---|
| Horow T0338W | 17.3″ ADA | Dual | 0.8/1.28 | MAP 1000g; one-piece |
| Casta Diva Elongated | 17″ ADA | Dual | 1.1/1.6 | 12″ rough-in; fully glazed |
| Colony One-Piece | Chair Height | Single | 1.28 | Elongated front |
| Cadet | Chair Height | Pressure-assisted | 1.6 | Two-piece |
| Deer Valley DV-1F026 | Standard Height | Dual | 0.8/1.28 | Soft-close; skirted |