Best 17-Inch Tall Toilets for Comfort and Everyday Use
A 17-inch tall toilet can make sitting down and standing up more comfortable for taller adults, seniors, and people who prefer a higher seat. The HOROW 1.28 GPF model is best for buyers seeking a single-flush option, while the HOROW dual-flush model suits households prioritizing water-use flexibility. The Casta Diva offers a one-piece design, and the Los Flexi combines an elongated bowl with a soft-close seat. Compare height, flush type, toilet shape, and rough-in requirements before choosing.
| Toilet | Best For | Standout Feature |
|---|---|---|
| HOROW 1.28 GPF | Everyday single-flush use | 17-inch height and 12-inch rough-in |
| HOROW dual flush | Water-use flexibility | 1.1/1.6 GPF flush options |
| Los Flexi | Comfort-focused use | Elongated bowl and soft-close seat |
| Casta Diva | Streamlined bathroom design | One-piece skirted construction |
| HOROW 1.0 GPF | Low-volume single flushing | 1.0 GPF flush specification |
HOROW 17-Inch 1.28 GPF Toilet

This two-piece elongated toilet is best for buyers who want a 17-inch chair-height bowl with a conventional single-flush setup. Its listed features include a 1.28 GPF flush, 360-degree siphon flushing, a MAP 1000g rating, and a standard 12-inch rough-in. Installation accessories and a step-by-step guide are also listed as included.
Choose this model if you want a balance of comfort height and water-efficient single flushing. The 12-inch rough-in is a common specification, but it does not guarantee a fit in every bathroom. Measure from the finished wall to the drain center and check the installation requirements before ordering.
HOROW 17-Inch Dual-Flush Toilet

This HOROW is best for households that want a taller seat and two flush-volume choices. The listed dual-flush system uses 1.1 GPF for liquids and 1.6 GPF for solids. It is a two-piece elongated toilet with a 12-inch rough-in, soft-close seat, and stated MAP 1000g flushing performance.
Choose this model if selecting between flush volumes is more important than having a single flush control. Its solid-waste flush uses more water than its liquid-waste option, so the lower figure does not apply to every flush. Confirm that the bowl dimensions and rough-in suit the bathroom layout.
Los Flexi 17.9-Inch Elongated Toilet

The Los Flexi is best for buyers who prefer an elongated bowl and a soft-close seat. Its listed seat height is 17.9 inches, and the product description highlights a 360-degree siphon flushing system, 1.28 GPF flush, and standard 12-inch rough-in. The added height may suit people seeking a seat taller than a typical 17-inch option.
Choose this toilet if a quiet-closing seat and extra seat height are priorities. Its 17.9-inch measurement is not identical to a 17-inch model, so compare the stated measurement with the height you need. Verify the exact rough-in and installation details for your bathroom.
Casta Diva 17-Inch One-Piece Toilet

This Casta Diva is best for buyers who want a one-piece toilet with a skirted exterior. The listed design integrates the tank and bowl, which reduces exposed gaps around that connection. It has an elongated shape, 17-inch comfort chair height, dual-flush options of 1.1 and 1.6 GPF, a fully glazed trapway, and a stated MAP rating of 1000.
Choose it if a seamless exterior and two flush choices match your bathroom priorities. A one-piece design may differ from a two-piece model in installation and handling; review product dimensions and installation instructions before purchase. The listing states WaterSense criteria, but check the product documentation for details relevant to your project.
HOROW 17-Inch 1.0 GPF Toilet

This HOROW is best for buyers looking for a 17-inch elongated toilet with a low-volume single flush. The product lists a 1.0 GPF flush, a 360-degree jet siphon system, and a 12-inch rough-in. Its stated dimensions are 28.94 inches deep, 15.75 inches wide, and 32.48 inches high.
Choose it if the listed dimensions suit your space and a single flush is preferred. The 1.0 GPF specification is lower than the 1.28 GPF options in this comparison, but the product data does not establish how it will perform in a particular plumbing setup. Confirm local requirements and installation fit.
Buying Guide: How To Choose A 17-Inch Tall Toilet
Is 17 inches measured to the seat or bowl?
Check how the manufacturer defines height. The supplied listings may describe seat height, chair height, or bowl height, and those measurements are not necessarily interchangeable. If sitting height is your priority, look for a clearly stated floor-to-seat measurement and ask the seller to clarify any ambiguity.
Should you choose a one-piece or two-piece toilet?
A two-piece toilet separates the tank and bowl, while a one-piece model integrates them. The Casta Diva is a skirted one-piece option; the HOROW and Los Flexi models listed here are two-piece toilets. Compare installation instructions, overall dimensions, and access to the bathroom before deciding.
What rough-in should you measure?
The rough-in is the distance from the finished wall to the center of the toilet drain. Several products here specify a 12-inch rough-in. Measure your existing setup rather than assuming that a standard specification will fit, and account for baseboards or other wall obstructions as directed by the manufacturer.
Does flush type matter?
Single-flush toilets use one flush setting, while dual-flush models offer separate listed volumes. The products in this comparison range from 1.0 and 1.28 GPF single-flush configurations to dual-flush options of 1.1/1.6 GPF. Compare the stated flush volume and the manufacturer’s installation and maintenance guidance.
What else should you check before buying?
Confirm bowl shape, total depth, width, seat inclusion, rough-in, and the contents of the installation kit. Check whether the bathroom door, vanity, and nearby fixtures leave enough clearance. For mobility needs, compare the specified seat height with the user’s requirements rather than relying on the phrase “comfort height” alone.
Frequently Asked Questions
Is a 17-inch toilet taller than a standard toilet?
It is generally designed with a higher seating position than standard-height models, but compare the exact measurement because manufacturers may describe bowl and seat height differently.
Who may benefit from a tall toilet?
Taller adults, seniors, and people who find lower seats difficult may prefer a higher toilet. Individual comfort varies, so check the actual floor-to-seat measurement.
Do all these toilets fit a 12-inch rough-in?
The listed HOROW and Los Flexi models specify a 12-inch rough-in. Confirm the rough-in for any model and measure your bathroom before buying.
Is a dual-flush toilet always more water-efficient?
It offers a lower-volume option for some flushes, but water use depends on which setting is selected. Compare the listed flush volumes and household needs.
Does a soft-close seat come with every model?
No. Soft-close seats are specifically listed for some products, including the Los Flexi and one HOROW model. Review each product’s included components before ordering.