For a wall-hung toilet in a small bathroom, my best overall pick is the Los Flexi Wall-Hung Toilet System, which pairs an adjustable floating bowl with a concealed tank and dual-flush plate. The Los Flexi Round Combo Set is a space-minded choice for buyers who prefer a round bowl, while the Eridanus 2×4 carrier models stand out when a thinner framed wall may suit the installation. The main tradeoffs are bowl projection and comfort, carrier and wall compatibility, and whether a complete system is worth more planning than a bowl-only purchase. I ranked these options around small-room fit, what comes with the toilet, and the practical demands of installation. Read on for the full comparison and help matching a pick to your bathroom.
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Key Takeaways
- The Los Flexi adjustable system ranks first because its floating bowl and dual-flush plate offer a more complete starting point than bowl-only listings, though its carrier and wall fit still need checking.
- The round Los Flexi combo is the most explicitly space-focused bowl shape in this lineup; elongated designs may suit comfort needs better but can extend farther into a tight room.
- Eridanus offers the clearest carrier-size choice: its 2×4 and 2×6 systems address different framing layouts, so the wall build—not just the bathroom footprint—can drive the decision.
- Most Swiss Madison and Los Flexi listings are bowls rather than complete systems, making them a better fit for buyers who already have a compatible concealed tank and carrier or are sourcing them separately.
- Flush style and appearance vary more than the small-bathroom promise does: tankless power-flush models and the black Eridanus option have distinct appeal, but neither removes the need to verify rough-in, service access, and component compatibility.
| HOROW HR-TG03W Wall-Hung Toilet with Soft-Close Seat |  | Best for Adjustable Installation Height | Brand and model: HOROW HR-TG03W | Type: Wall-hung, rear-outlet toilet | Color: White | VIEW ON AMAZON | See Our Full Breakdown |
| Swiss Madison Ivy Wall-Hung Elongated Toilet Bowl |  | Best for Dual-Flush Water Choice | Brand and model: Swiss Madison SM-WT450 | Installation: Wall-hung | Material and color: Ceramic, glossy white | VIEW ON AMAZON | See Our Full Breakdown |
| Wall-Hung Toilet with D-Shaped Bowl, Soft-Closing Seat, Power Flush, Tankless – White |  | Best for a Modern D-Shaped Look | Brand: ActiveTrail | Model number: ZRZ-AgqcscI_gSEihQ7MRJgUXQ52 | Bowl shape: D-shaped | VIEW ON AMAZON | See Our Full Breakdown |
| Los Flexi Elongated Wall-Hung Toilet Bowl with Soft-Close Seat |  | Best for Rimless Cleaning | Brand and model: Los Flexi KBWH01 | Color and shape: White; oval and elongated | Dimensions: 22.4 x 14.8 x 13.2 inches (D x W x H) | VIEW ON AMAZON | See Our Full Breakdown |
| MIJIC Wall Hung Toilet, Tankless, Power Flush, White |  | Best for Compact, Unusual Spaces | Brand: MIJIC | Type: Wall-hung toilet | Color: White | VIEW ON AMAZON | See Our Full Breakdown |
| Eridanus Wall Hung Toilet with 2×6 in Wall Tank Carrier, Dual Flush, White |  | Best for 2×6 Wall Renovations | Manufacturer: Eridanus | Model: ERI-WT421 | Dimensions: 20.87 x 14.57 x 14.17 inches | VIEW ON AMAZON | See Our Full Breakdown |
| Los Flexi Elongated Wall-Hung Toilet System with Adjustable Floating Bowl, Soft-Close Seat & Dual-Flush Plate |  | Best for Adjustable Comfort | Brand: Los Flexi | Model: KBWH01 | Dimensions: 22.45 x 14.79 x 13.25 inches | VIEW ON AMAZON | See Our Full Breakdown |
| Proflo PFXXC810HE 1.28 GPF Wall-Mounted Two-Piece Elongated Toilet with Left-Hand Lever, ADA Compliant, White |  | Best for Accessibility and Warranty Coverage | Manufacturer: Proflo | Model: PFXXC810HEWH | Dimensions: 28 x 18.56 x 31 inches | VIEW ON AMAZON | See Our Full Breakdown |
| Eridanus Wall Hung Toilet with 2×4 In Wall Tank Carrier, Dual Flush, White |  | Best for 2×4 Framing | Brand: Eridanus | Model: ERI-WT421 | Color: White | VIEW ON AMAZON | See Our Full Breakdown |
| Swiss Madison SM-WT449 Sublime Wall Hung Toilet Bowl |  | Best Round-Bowl Pick for Tight Layouts | Brand: Swiss Madison | Model: SM-WT449 | Dimensions: 22 x 14.5 x 14.5 inches | VIEW ON AMAZON | See Our Full Breakdown |
| Eridanus Wall-Hung Toilet with 2×4 In-Wall Tank Carrier and Dual Flush |  | Best for 2×4 Wall Framing | Model: ERI-WT421 | Installation: Wall-mounted | Carrier: 2×4 in-wall tank carrier | VIEW ON AMAZON | See Our Full Breakdown |
| Los Flexi Round Wall-Hung Toilet Combo Set with Concealed Tank |  | Best Compact Round-Bowl Set | Model: LF01WH02 | Shape: Round | Dimensions: 20.9 x 15.9 x 12 inches (D x W x H) | VIEW ON AMAZON | See Our Full Breakdown |
| Eridanus Wall Hung Toilet with 2×6 In-Wall Tank Carrier, Dual Flush, Black |  | Best Matte-Black Pick for 2×6 Walls | Model: ERI-WT421MB | Stud compatibility: 2×6 studs | Dimensions: 20.87 x 14.57 x 14.17 inches | VIEW ON AMAZON | See Our Full Breakdown |
| wall hung toilet for small bathroom | Dimensions | Warranty | Model | Installation |
|---|---|---|---|---|
| HOROW HR-TG03W Wall-Hung Toile | — | 1-year limited warranty; lifetime after-sales service | — | — |
| Swiss Madison Ivy Wall-Hung El | 20.65 x 14.75 x 13.6 inches | 1-year limited | — | Wall-hung |
| Wall-Hung Toilet with D-Shaped | — | — | — | Wall-mounted, tankless; carrier tank sold separately |
| Los Flexi Elongated Wall-Hung | 22.4 x 14.8 x 13.2 inches (D x W x H) | 2 years | — | — |
| MIJIC Wall Hung Toilet | 14 inches deep x 22 inches wide x 15 inches high | — | — | — |
| Eridanus Wall Hung Toilet with | 20.87 x 14.57 x 14.17 inches | — | ERI-WT421 | Wall mounted |
| Los Flexi Elongated Wall-Hung | 22.45 x 14.79 x 13.25 inches | Two years | KBWH01 | — |
| Proflo PFXXC810HE 1.28 GPF Wal | 28 x 18.56 x 31 inches | Lifetime limited on vitreous china; five years limited on fittings | PFXXC810HEWH | Wall mounted, two-piece |
| Eridanus Wall Hung Toilet with | — | — | ERI-WT421 | Wall mounted |
| Swiss Madison SM-WT449 Sublime | 22 x 14.5 x 14.5 inches | Limited lifetime | SM-WT449 | — |
| Eridanus Wall-Hung Toilet with | — | One-year limited warranty; lifetime after-sales service | ERI-WT421 | Wall-mounted |
| Los Flexi Round Wall-Hung Toil | 20.9 x 15.9 x 12 inches (D x W x H) | Two years | LF01WH02 | — |
| Eridanus Wall Hung Toilet with | 20.87 x 14.57 x 14.17 inches | — | ERI-WT421MB | Wall-mounted |
More Details on Our Top Picks
HOROW HR-TG03W Wall-Hung Toilet with Soft-Close Seat
The HOROW HR-TG03W stands out for buyers who need more control over bowl height in a compact bathroom. That flexibility can help tailor the seat position to household needs without giving up the floor space and easier under-bowl cleaning of a wall-hung design. Its 4-inch fully glazed trapway and super-swirl flush are the listed flushing features, while the quick-release, soft-close seat makes routine cleaning quieter and simpler. Compared with the Swiss Madison Ivy, HOROW does not list dual-flush options or dimensions, so it offers less information for planning water use and tight clearances. The main tradeoff is the separate concealed tank and flush plate: budget for those components and confirm system compatibility before buying.
Pros:- Adjustable installation height helps tailor the bowl position.
- Wall-hung format frees floor area and makes cleaning beneath the bowl easier.
- Quick-release soft-close seat supports quieter use and easier seat removal for cleaning.
- Fully glazed 4-inch trapway is specified alongside a super-swirl flush system.
Cons:- Concealed tank and flush plate are sold separately.
- Published product data does not provide bowl dimensions or a flush volume.
- The listed warranty is limited to one year.
Best for: Renovators who want adjustable bowl height and an included quick-release seat, and already plan to source a compatible concealed tank and flush plate.
Not ideal for: Buyers seeking a complete wall-hung toilet system or clear published dimensions for fitting a particularly tight bathroom.
- Brand and model:HOROW HR-TG03W
- Type:Wall-hung, rear-outlet toilet
- Color:White
- Trapway:4-inch, fully glazed
- Seat:Soft-close, quick-release
- Installation height:Adjustable
- Included components:Toilet bowl, seat, mounting accessories, seat bolt kit, and installation instructions
- Not included:Concealed tank and flush plate
- Warranty:1-year limited warranty; lifetime after-sales service
Our verdict“Choose the HOROW if adjustable bowl height matters more than a bundled tank system or published dimensions.”
Swiss Madison Ivy Wall-Hung Elongated Toilet Bowl
The Swiss Madison Ivy is the clearest pick here for buyers who want defined flush-volume options: its dual-flush system offers 0.8 or 1.6 GPF. The elongated ceramic bowl measures 20.65 inches deep, a useful planning detail when checking whether a small bathroom has enough front clearance. Its non-porous, scratch-resistant ceramic and detachable soft-close seat also suit households that value straightforward upkeep. Compared with the HOROW HR-TG03W, the Ivy provides specific dimensions and flush volumes, but it does not list adjustable installation height or a fully glazed 4-inch trapway. Like HOROW, it is a bowl rather than a ready-to-install package: the in-wall carrier tank and actuator button are separate purchases, so system selection and wall planning add work.
Pros:- Dual-flush choices are specified at 0.8 and 1.6 GPF.
- Published dimensions help buyers plan tight bathroom clearances.
- Non-porous, scratch-resistant ceramic is suited to regular cleaning.
- Soft-close seat detaches for cleaning.
Cons:- In-wall carrier tank and actuator flush button are sold separately.
- The 20.65-inch depth may not suit bathrooms with very limited front clearance.
- One-year limited warranty.
Best for: Small-bathroom renovators who want an elongated bowl, documented dimensions, and a choice between two flush volumes.
Not ideal for: Buyers who need the carrier tank and flush button included, or who have too little depth for a 20.65-inch bowl.
- Brand and model:Swiss Madison SM-WT450
- Installation:Wall-hung
- Material and color:Ceramic, glossy white
- Dimensions:20.65 x 14.75 x 13.6 inches
- Flush options:0.8 GPF light flush; 1.6 GPF full flush
- Seat:Plastic, soft-close, quick-release
- Weight capacity:500 pounds
- Item weight:48 pounds
- Warranty:1-year limited
Our verdict“Pick the Ivy if flush-volume choice and published fit dimensions matter more than getting the carrier system in the box.”
Wall-Hung Toilet with D-Shaped Bowl, Soft-Closing Seat, Power Flush, Tankless – White
The ActiveTrail D-shaped wall-hung toilet suits buyers who want a cleaner-lined bowl profile along with the floor clearance that makes a floating toilet practical in a small bathroom. Its vitreous china surface is described as stain-resistant, and the water-saving siphonic power flush and soft-closing seat add useful everyday features. The listing also describes customizable installation height, a benefit shared with the HOROW HR-TG03W, but ActiveTrail gives no trapway size, flush-volume figures, or bowl dimensions. That makes it harder to compare performance and confirm fit before ordering. It fits standard in-wall carrier systems, yet the carrier tank is sold separately, and wall-hung installation is more involved than replacing a floor-mounted toilet. I would choose it for its shape and listed height flexibility, not for detailed fit data.
Pros:- D-shaped bowl offers a distinct contemporary profile.
- Wall-mounted design leaves floor space open for easier cleaning.
- Customizable installation height can suit different users.
- Vitreous china is described as stain-resistant, with a soft-closing seat.
Cons:- Compatible in-wall carrier tank is sold separately.
- No bowl dimensions or specific flush-volume figures are provided.
- Wall-mounted installation calls for more planning than a standard floor-mounted replacement.
Best for: Design-focused renovators who prefer a D-shaped bowl, want adjustable seating height, and can verify carrier compatibility with their installer.
Not ideal for: Buyers who need published bowl dimensions, specified flush volumes, or a carrier tank included with the toilet.
- Brand:ActiveTrail
- Model number:ZRZ-AgqcscI_gSEihQ7MRJgUXQ52
- Bowl shape:D-shaped
- Material and color:Vitreous china, white
- Flush type:Water-saving siphonic power flush
- Seat:Soft-closing
- Installation:Wall-mounted, tankless; carrier tank sold separately
- Installation height:Customizable
- Item type:Two-piece toilet
Our verdict“Choose this ActiveTrail model for its D-shaped design and adjustable height, provided you can confirm fit and carrier details first.”
Los Flexi Elongated Wall-Hung Toilet Bowl with Soft-Close Seat
The Los Flexi KBWH01 makes its case with a rimless bowl, which removes a difficult-to-reach area from routine cleaning—especially useful when a small bathroom gets frequent use. Its elongated shape, quick-release soft-close seat, and adjustable installation height cover several practical needs, while the included mounting bolts help distinguish it from options that list fewer installation parts. Compared with the Swiss Madison Ivy, Los Flexi offers a two-year warranty rather than one, but the Ivy provides dual-flush figures and more complete published dimensions. Los Flexi lists a depth of 22.4 inches, so buyers should check front clearance carefully; the tank system is not included. The bowl is also listed at 58 pounds, making handling and mounting a job that may call for professional help.
Pros:- Rimless design reduces hard-to-clean areas around the bowl.
- Quick-release soft-close seat simplifies cleaning and limits seat noise.
- Adjustable installation height helps tailor the finished seating position.
- Two-year warranty and wall mounting bolts are listed.
Cons:- In-wall tank system is not listed among the included components.
- At 22.4 inches deep, it may be too long for especially shallow bathrooms.
- The 58-pound bowl may require help during installation.
Best for: Households prioritizing easier bowl cleaning and a longer listed warranty, with enough bathroom depth for a 22.4-inch bowl.
Not ideal for: Buyers with very tight front clearance or anyone expecting the in-wall tank system to come with the bowl.
- Brand and model:Los Flexi KBWH01
- Color and shape:White; oval and elongated
- Dimensions:22.4 x 14.8 x 13.2 inches (D x W x H)
- Weight:58 pounds
- Materials:Ceramic bowl; urea formaldehyde seat
- Design:Wall-mounted, rimless
- Seat:Quick-release, soft-close
- Included components:Toilet bowl, seat and seat bolts, wall mounting bolts
- Warranty:2 years
Our verdict“Choose Los Flexi for rimless cleaning and a two-year warranty if its listed depth fits your room and you source the tank separately.”
MIJIC Wall Hung Toilet, Tankless, Power Flush, White
The MIJIC wall-hung toilet is aimed at buyers fitting a powder room or RV, with a boat-shaped profile and dimensions listed as 14 inches deep, 22 inches wide, and 15 inches high. That shallow listed depth may appeal where front-to-back space is the main constraint, though the width still needs checking against the room and carrier layout. Its direct power flush, ceramic construction, and soft-closing plastic seat cover core everyday needs, while the floating installation leaves the floor easier to clean. Compared with the Los Flexi KBWH01, MIJIC lists a shallower bowl, but Los Flexi adds a rimless cleaning feature and a two-year warranty. MIJIC’s listing gives little detail about carrier compatibility or flush volume, and the 50-pound unit may be awkward to mount without help.
Pros:- Listed 14-inch depth may suit spaces with limited front-to-back room.
- Wall mounting leaves the floor area beneath the toilet easier to clean.
- Direct power flush and ceramic construction are specified.
- Soft-closing seat reduces slamming noise.
Cons:- Carrier-system compatibility and flush volume are not specified in the supplied product data.
- At 50 pounds, the toilet may be difficult to position and mount without assistance.
- The 22-inch listed width may be a constraint in narrow rooms.
Best for: RV and powder-room renovators whose main fit challenge is limited depth and who can verify wall-carrier compatibility before purchase.
Not ideal for: Buyers who need detailed installation-system specifications, a stated warranty, or a clearly documented flush volume.
- Brand:MIJIC
- Type:Wall-hung toilet
- Color:White
- Dimensions:14 inches deep x 22 inches wide x 15 inches high
- Weight:50 pounds
- Toilet material:Ceramic
- Seat material:Plastic
- Flush type:Direct power flush
- Features:Boat-shaped design; soft-closing seat
Our verdict“Consider MIJIC for a shallow-depth powder room or RV only after confirming the carrier setup and available width.”
Eridanus Wall Hung Toilet with 2×6 in Wall Tank Carrier, Dual Flush, White
The Eridanus 2×6 pairs a concealed carrier with a compact listed bowl depth of 20.87 inches, making it a strong fit when floor clearance matters and the wall framing is designed for a 2×6 installation. Its rimless bowl avoids the hard-to-reach rim channel, while the dual-jet flush and soft-close seat suit households looking for quieter daily use. Compared with the Eridanus 2×4 model, this version is tied to a deeper framing setup, so it is less adaptable to an existing 2×4 wall. The seat height is described as adjustable, but installation still calls for plumbing expertise, and the bowl and tank ship separately, which can delay a finished bathroom. I’d choose it when the wall structure matches and concealed storage is a priority.
Pros:- Wall-mounted layout leaves floor area open and makes cleaning beneath the bowl easier.
- Rimless bowl reduces places where grime can collect.
- Dual-jet flush and soft-close seat are suited to quieter household use.
- Adjustable seat height allows a more tailored installation.
Cons:- The 2×6 carrier setup limits suitability for bathrooms framed around 2×4 walls.
- Bowl and tank ship separately, so one missing or delayed package can hold up installation.
- Professional plumbing help may be needed for the concealed carrier and wall connections.
Best for: Homeowners remodeling with 2×6 wall framing who want a rimless bowl and a concealed tank in a space-conscious bathroom.
Not ideal for: DIY renovators without wall-mounted toilet experience or anyone working with 2×4 framing who cannot alter the wall.
- Manufacturer:Eridanus
- Model:ERI-WT421
- Dimensions:20.87 x 14.57 x 14.17 inches
- Color:White
- Material:Ceramic
- Installation:Wall mounted
- Carrier framing:2×6 in-wall tank
Our verdict“Choose this Eridanus when your renovation already accommodates a 2×6 carrier and you want a compact, rimless wall-hung setup.”
Los Flexi Elongated Wall-Hung Toilet System with Adjustable Floating Bowl, Soft-Close Seat & Dual-Flush Plate
The Los Flexi system stands out for a generous 0–7⅞-inch height adjustment range, helpful when a small bathroom needs to work for users of different heights or mobility needs. Its elongated bowl offers more sitting room than the round Swiss Madison Sublime, though that added length can take more space from a tight front clearance. The dual-flush settings of 0.8 and 1.6 GPF give users two water-use options, and the included stainless steel carrier makes this a more complete system than the Swiss Madison bowl, whose carrier and actuator plate are sold separately. The tradeoff is weight: at 93 pounds, this is not an easy choice for a solo installer, and the elongated footprint may be harder to fit in the smallest rooms. I’d favor it when fit flexibility matters more than the shortest projection.
Pros:- Height adjustment up to 7⅞ inches supports a tailored installation.
- Elongated bowl provides more sitting room than round-bowl alternatives.
- Dual-flush rates offer 0.8 and 1.6 GPF options.
- Stainless steel carrier is included in the system.
Cons:- At 93 pounds, handling and mounting may require professional assistance.
- The 22.45-inch listed depth can use more limited clearance than a compact round bowl.
- Elongated shape may not suit bathrooms where every inch of front clearance matters.
Best for: Households with users of different heights who want an elongated bowl and a carrier system with substantial mounting-height flexibility.
Not ideal for: Owners of very narrow bathrooms who need the shortest possible bowl projection, or DIY installers working alone with a heavy unit.
- Brand:Los Flexi
- Model:KBWH01
- Dimensions:22.45 x 14.79 x 13.25 inches
- Weight:93 pounds
- Materials:Ceramic, stainless steel, and UF
- Dual-flush rates:0.8 / 1.6 GPF
- Adjustable height range:0–7⅞ inches
- Warranty:Two years
Our verdict“Pick the Los Flexi system for a height-adjustable, elongated setup when comfort and user fit outweigh the need for the smallest footprint.”
Proflo PFXXC810HE 1.28 GPF Wall-Mounted Two-Piece Elongated Toilet with Left-Hand Lever, ADA Compliant, White
The Proflo PFXXC810HE is the accessibility-focused option here, combining an ADA-compliant left-hand lever with an elongated bowl and a 1.28 GPF flush. Its two-piece construction and separate tank design make it a different proposition from the concealed-carrier systems, such as the Los Flexi KBWH01: buyers should weigh the Proflo’s stated warranty coverage against the Los Flexi’s much wider adjustable-height range and dual-flush choices. The lifetime limited warranty on vitreous china and five-year coverage on fittings may appeal to long-term planners, but those terms do not remove the challenge of positioning an 80.3-pound wall-mounted fixture. Its listed dimensions are also larger than the compact Eridanus 2×6 bowl, so I’d reserve it for bathrooms where the layout can accommodate the extra length and width.
Pros:- Left-hand lever is specified for ADA compliance.
- Elongated bowl adds sitting room compared with round-bowl designs.
- Lifetime limited warranty on vitreous china and five-year limited warranty on fittings.
- Wall-mounted design keeps the floor beneath the toilet accessible for cleaning.
Cons:- The 28 x 18.56-inch listed dimensions can be difficult to accommodate in a very small bathroom.
- At 80.3 pounds, the unit requires careful handling during installation.
- Its 1.28 GPF flush does not offer the two flush choices available on the Los Flexi and Eridanus models.
Best for: Buyers seeking an ADA-compliant wall-mounted toilet with a left-hand lever and extended stated coverage on the china and fittings.
Not ideal for: Small bathrooms with tight bowl-clearance limits, or installers who cannot safely handle an 80.3-pound fixture.
- Manufacturer:Proflo
- Model:PFXXC810HEWH
- Dimensions:28 x 18.56 x 31 inches
- Weight:80.3 pounds
- Material:Vitreous china
- Flush rate:1.28 GPF
- Installation:Wall mounted, two-piece
- Warranty:Lifetime limited on vitreous china; five years limited on fittings
Our verdict“Choose the Proflo if accessibility features and stated warranty coverage matter more than compact dimensions or dual-flush flexibility.”
Eridanus Wall Hung Toilet with 2×4 In Wall Tank Carrier, Dual Flush, White
Among these picks, the Eridanus 2×4 is the clearest match for a remodel built around standard 2×4 wall framing: its concealed carrier is specified for that wall depth, while the otherwise similar Eridanus 2×6 calls for deeper framing. Both offer a rimless bowl, soft-close seat, adjustable height and dual-flush operation, so the decision between them is less about bowl features and more about the wall you have. The open floor beneath a wall-hung bowl can make a cramped room feel less crowded and easier to clean. Product dimensions and flush rates are not provided here, so I would verify fit and performance details with the seller before ordering. The separate bowl and tank shipments can also complicate scheduling, even though mounting hardware is included.
Pros:- 2×4 carrier specification suits shallower wall framing than the Eridanus 2×6 version.
- Wall-hung format leaves the floor beneath the bowl open.
- Rimless bowl and soft-close seat support easier cleaning and quieter use.
- Adjustable height and included mounting hardware offer installation flexibility.
Cons:- Bowl and tank ship separately and may arrive at different times.
- The supplied product data does not list dimensions or flush rates, making fit and water-use comparison harder.
- Concealed-carrier installation may require plumbing expertise.
Best for: Renovators with 2×4 wall framing who want a concealed tank, adjustable bowl height and a rimless design.
Not ideal for: Buyers who need confirmed bowl dimensions or flush rates before purchase, or anyone who cannot accommodate the separate-package delivery risk.
- Brand:Eridanus
- Model:ERI-WT421
- Color:White
- Installation:Wall mounted
- Carrier framing:2×4 in-wall tank
- Flush type:Dual flush
- Seat material:Polypropylene
- Seat warranty:One-year limited warranty
Our verdict“Select this Eridanus when 2×4 wall framing is the deciding constraint and you can confirm dimensions before ordering.”
Swiss Madison SM-WT449 Sublime Wall Hung Toilet Bowl
The Swiss Madison Sublime uses a round bowl measuring 22 inches deep, making it a sensible choice when an elongated shape like the Los Flexi KBWH01 would crowd the front clearance. It pairs that space-conscious profile with adjustable height, ADA compliance and dual-flush rates of 0.8 and 1.28 gallons. A soft-close seat is included, but the carrier tank and actuator plate are sold separately, so the bowl’s listed dimensions do not tell the whole story of the installed system. That makes it less straightforward to plan than the Los Flexi system, which includes a carrier. The 58-pound porcelain bowl also needs secure wall mounting and careful handling. I’d shortlist it for a tight bathroom only after confirming the matching carrier and plate fit the wall and project budget.
Pros:- Round bowl can suit tighter front-to-back layouts than an elongated model.
- Adjustable height and ADA compliance support a more tailored installation.
- Dual flush offers 0.8 and 1.28-gallon options.
- Soft-close seat is included, with a limited lifetime warranty listed.
Cons:- Carrier tank and actuator plate are sold separately.
- At 58 pounds, the bowl needs careful handling and secure mounting.
- The 22-inch depth still requires clearance checks in very small bathrooms.
Best for: Owners of compact bathrooms who prefer a round bowl and want adjustable-height, ADA-compliant installation options.
Not ideal for: Buyers seeking a complete carrier-and-bowl package, or anyone who wants to avoid coordinating separately sold mounting components.
- Brand:Swiss Madison
- Model:SM-WT449
- Dimensions:22 x 14.5 x 14.5 inches
- Weight:58 pounds
- Material:Porcelain
- Bowl shape:Round
- Dual-flush capacity:0.8 / 1.28 gallons
- Warranty:Limited lifetime
Our verdict“Choose the Sublime for a round-bowl fit and adjustable height, provided you are prepared to source the carrier and actuator plate separately.”
Eridanus Wall-Hung Toilet with 2×4 In-Wall Tank Carrier and Dual Flush
For a small bathroom framed with 2×4 studs, this Eridanus set pairs a concealed carrier and tank with a floating ceramic bowl, keeping the floor clear and easier to clean. The rimless bowl reduces hard-to-reach areas, while the adjustable seat height gives the installer some flexibility. Compared with the Los Flexi Round Wall-Hung Toilet Combo Set, this model’s clearest advantage is its specified 2×4 carrier compatibility; the Los Flexi instead lists a round bowl and a stated 0-to-7 7/8-inch height adjustment. The tradeoff is delivery coordination: the bowl and tank ship separately, so they may not arrive together. I’d favor it when the existing wall framing suits the carrier, but check framing and plumbing plans before ordering.
Pros:- 2×4 in-wall tank carrier keeps the tank out of sight and preserves visible floor space.
- Rimless ceramic bowl has fewer tucked-away areas to clean.
- Dual-flush system and soft-close seat add practical everyday features.
- Adjustable seat height and included carrier, plate, and mounting hardware make this a coordinated set.
Cons:- Bowl and tank ship in separate packages and may arrive at different times.
- The 2×4 carrier specification limits suitability for bathrooms framed only for 2×6 installation.
- Wall-mounted installation requires compatible in-wall framing and plumbing.
Best for: Homeowners with 2×4-stud bathroom walls who want a concealed tank, a clear floor, and an adjustable seat height.
Not ideal for: Renovators with 2×6-only framing or a tight installation schedule, since this carrier is specified for 2×4 walls and the bowl and tank may arrive separately.
- Model:ERI-WT421
- Installation:Wall-mounted
- Carrier:2×4 in-wall tank carrier
- Flush type:Dual flush
- Bowl material:Ceramic
- Seat material:Polypropylene (PP)
- Packages:2; toilet and tank ship separately
- Warranty:One-year limited warranty; lifetime after-sales service
Our verdict“Choose this Eridanus set when your small bathroom has compatible 2×4 framing and you want the carrier, bowl, and flush plate in one package set.”
Los Flexi Round Wall-Hung Toilet Combo Set with Concealed Tank
The 20.9-inch depth and round bowl make this Los Flexi set a strong fit for bathrooms where front-to-back clearance matters. Its concealed tank and carrier keep the floor open, while the listed 0-to-7 7/8-inch height adjustment gives installers room to adapt the bowl position. Compared with the Eridanus 2×4 Wall-Hung Toilet, this set specifies its dimensions and flush volume, making those details easier to check against a tight layout and water-use preferences. It also includes the black actuator plate and installation accessories, plus a two-year warranty. The tradeoff is the substantial 100-pound listed item weight and the need for a wall-mounted setup; it is not a simple replacement for a floor toilet without appropriate framing and plumbing.
Pros:- Listed 20.9-inch depth and round bowl suit layouts with limited front-to-back space.
- Includes concealed tank, carrier, black flush plate, and installation accessories.
- Adjustable installation height supports different bathroom layouts.
- Dual flush is specified at 0.8/1.6 GPF, and the set carries a two-year warranty.
Cons:- Listed item weight is 100 pounds, which can complicate handling and installation.
- Requires compatible wall framing and plumbing rather than a basic floor-mounted replacement.
- The 12-inch listed height may not suit every buyer’s preferred bowl position without careful installation planning.
Best for: Buyers with a shallow bathroom layout who prefer a round bowl and want stated dimensions, adjustable installation height, and a complete concealed-tank set.
Not ideal for: DIYers seeking a straightforward floor-toilet swap or anyone who cannot accommodate a heavy, wall-mounted installation.
- Model:LF01WH02
- Shape:Round
- Dimensions:20.9 x 15.9 x 12 inches (D x W x H)
- Flush:Dual flush, 0.8/1.6 GPF
- Adjustable height:0 to 7 7/8 inches
- Materials:Ceramic, stainless steel, and urea formaldehyde
- Item weight:100 pounds
- Warranty:Two years
Our verdict“Pick the Los Flexi when a compact round bowl and clearly stated dimensions matter more than a lighter, simpler installation.”
Eridanus Wall Hung Toilet with 2×6 In-Wall Tank Carrier, Dual Flush, Black
This Eridanus stands apart from the white 2×4 Eridanus model through its matte-black D-shaped bowl and carrier specified for 2×6 studs. The floating installation keeps floor area visible, while the rimless bowl and dual-jet flush are intended to simplify cleaning without sacrificing flushing action. Its listed 20.87-inch depth and 14.57-inch width give buyers useful measurements for planning a compact room, though the 14.17-inch height should be checked against the intended seat position. Compared with the Los Flexi Round set, this is a design-led option for bathrooms with 2×6 framing, not the stronger fit for a round-bowl preference or a stated adjustable-height range. The main logistical drawback is that the bowl and tank may arrive separately.
Pros:- 2×6 in-wall carrier conceals the tank and suits bathrooms framed for deeper wall installation.
- Matte-black finish and D-shaped bowl offer a distinct alternative to the white Eridanus 2×4 model.
- Rimless bowl and dual-jet flush are designed to support cleaning and effective rinsing.
- Includes the carrier system, dual-flush plate, seat, and mounting hardware.
Cons:- Carrier is specified for 2×6 studs, limiting compatibility with 2×4 walls.
- Bowl and tank may arrive in separate packages at different times.
- Matte-black ceramic may be a poor match for bathrooms planned around white fixtures.
Best for: Design-focused renovators with 2×6 wall framing who want a matte-black wall-hung toilet and a concealed tank in a small bathroom.
Not ideal for: Buyers with 2×4 framing, those seeking a white fixture, or anyone who needs a clearly stated adjustable seat-height range.
- Model:ERI-WT421MB
- Stud compatibility:2×6 studs
- Dimensions:20.87 x 14.57 x 14.17 inches
- Color:Matte black
- Shape:D-shape
- Material:Ceramic
- Installation:Wall-mounted
- Included components:Bowl, cover and seat, in-wall tank carrier, dual-flush plate, mounting hardware, and instructions
Our verdict“Choose this model for a compact bathroom with 2×6 framing when matte-black styling is a priority and separate deliveries are manageable.”
How We Picked
I ranked these toilets for the practical constraints behind a small-bathroom installation, rather than treating a compact-looking bowl as enough on its own. I compared the listed bowl shape, whether a concealed tank or carrier is included, flush and seat features, and the information a buyer needs to confirm wall and plumbing compatibility. A complete toilet system can simplify component matching, while a bowl-only option may offer flexibility for a renovation that already has the right carrier.
The ranking favors choices with a clearer path from product listing to a workable small-room installation, then weighs useful differences such as round versus elongated bowls, adjustable height, dual flush, and 2×4 versus 2×6 carriers. I placed options lower when the listing gives less of the installation package or a more specialized feature without establishing an advantage for a typical compact bathroom. Product names alone do not confirm dimensions or compatibility, so I treat those as details buyers must verify with the manufacturer and installer before ordering.
| wall hung toilet for small bathroom | Installation | Model |
|---|---|---|
| HOROW HR-TG03W Wall-Hung Toile | — | — |
| Swiss Madison Ivy Wall-Hung El | Wall-hung | — |
| Wall-Hung Toilet with D-Shaped | Wall-mounted, tankless; carrier tank sold separately | — |
| Los Flexi Elongated Wall-Hung | — | — |
| MIJIC Wall Hung Toilet | — | — |
| Eridanus Wall Hung Toilet with | Wall mounted | ERI-WT421 |
| Los Flexi Elongated Wall-Hung | — | KBWH01 |
| Proflo PFXXC810HE 1.28 GPF Wal | Wall mounted, two-piece | PFXXC810HEWH |
| Eridanus Wall Hung Toilet with | Wall mounted | ERI-WT421 |
| Swiss Madison SM-WT449 Sublime | — | SM-WT449 |
| Eridanus Wall-Hung Toilet with | Wall-mounted | ERI-WT421 |
| Los Flexi Round Wall-Hung Toil | — | LF01WH02 |
| Eridanus Wall Hung Toilet with | Wall-mounted | ERI-WT421MB |
Factors to Consider When Choosing Wall Hung Toilet For Small Bathroom
A wall-mounted toilet can free up visible floor area, but the bowl is only one part of the decision. I would start with the room measurements and existing wall construction, then match the bowl and concealed components to that plan. These checks can prevent a toilet that looks compact online from becoming an awkward or costly fit.
Measure projection, not just bowl width
A narrow bowl does not automatically make a toilet work in a tight room; the distance it projects from the finished wall affects circulation and clearance in front. Measure from the planned finished wall surface, not from exposed framing, because the carrier, tank, and wall finish add depth. Mark the proposed bowl outline on the floor or use a simple mock-up to judge how it relates to the door swing, vanity, and nearby fixtures. Check the product’s full dimensions, including the seat, rather than relying on the product title or a general description. A round bowl may save projection, while an elongated bowl can feel roomier to sit on. I would choose based on the actual clearance plan instead of assuming one shape is right for every small bathroom.
Match the carrier to the wall framing
The concealed carrier supports the toilet and tank, so its fit with the wall structure matters as much as the bowl’s appearance. Options in this roundup include Eridanus carriers listed for both 2×4 and 2×6 walls, but those labels are not a substitute for confirming the exact framing, finished depth, and installation requirements. A thicker wall may offer more room for components, while a thinner wall can preserve floor area but may limit compatible systems. Do not assume a carrier is included with a bowl-only listing, or that one brand’s tank will pair with another brand’s bowl. Ask the installer to confirm the carrier, mounting hardware, plumbing connections, and wall reinforcement before purchase. Sorting this out early is easier than modifying a finished wall.
Decide whether a bowl-only purchase suits your project
A bowl-only toilet can be a sensible choice when a compatible carrier and concealed tank are already installed or selected. It can also give a renovation more freedom to choose a specific bowl shape, but that flexibility comes with extra coordination. Confirm the carrier’s manufacturer-approved bowl compatibility, mounting spacing, flush system, and service access rather than relying on a similar-looking connection. Complete systems may reduce the number of separate parts to source, but they still need to match your framing and plumbing. Ask for a written parts list so you can see what is included and what must be purchased separately. I would avoid ordering a standalone bowl until the hidden components are identified.
Choose bowl shape around comfort and circulation
Round bowls can be useful where every inch of projection matters, while elongated bowls generally provide a longer seating area. That is a tradeoff between saving room and personal comfort, not a simple upgrade from one shape to another. Consider who uses the bathroom most, how long they spend there, and whether the toilet sits beside a door or narrow walkway. Check local accessibility requirements if you need a specific seat height or clearances; a product label by itself may not cover the full installed setup. Adjustable bowl height, such as the feature listed on the Los Flexi system, may add flexibility, but confirm the adjustment range and installation method. Choose the shape and height together, since either can affect how comfortable the finished layout feels.
Plan for servicing and concealed-tank access
A concealed tank hides visual clutter, but it still needs a route for future maintenance. Many systems use the flush-plate opening for access, though buyers should confirm how the specific model handles valve replacement and other repairs. Make sure the flush plate can be removed without damaging tile or cabinetry, and ask whether the needed service parts are readily available. A flush feature such as dual flush or a power-flush design may influence water use or operation, but the listing should provide the relevant specifications before you compare models. Do not close the wall until the installer has tested connections and confirmed the service opening remains usable. This planning matters especially in a small bathroom, where a later repair can disrupt a larger share of the room.
Set the budget around the whole installation
The product listing is only one part of the project cost: a carrier, tank, flush plate, seat, wall work, plumbing changes, and labor may be separate. Compare complete-system contents before treating two toilet listings as equivalent. A bowl-only model can look simpler on the page but require more sourcing, while a bundled system may still need parts that are not named in the listing. Ask an installer to review the product documents and provide a parts-and-labor estimate before you buy. Paying more can make sense when the package better matches your wall or reduces compatibility uncertainty, not just because a model has a distinctive finish. For a small bathroom, accurate fit and future service access matter more than a longer feature list.
Frequently Asked Questions
Can I install a wall-hung toilet in a bathroom with existing stud walls?
Possibly, but the wall needs a carrier system that fits its framing and can support the installed toilet as specified by the manufacturer. The Eridanus options listed for 2×4 and 2×6 walls show why wall depth is part of the choice, but you still need to confirm exact carrier dimensions and installation requirements. Existing studs may need adjustment or reinforcement, and plumbing may need to move into the wall. Have an installer inspect the wall before choosing a bowl or ordering parts. If the framing cannot accommodate the system, the toilet’s compact appearance will not solve the installation problem.
Should I choose a round or elongated wall-hung toilet for a very narrow bathroom?
Start by comparing each model’s actual projection from the finished wall and the clearance it leaves in front, since shape labels alone do not give a complete fit picture. A round bowl, like the Los Flexi round combo, may suit a layout where forward clearance is especially limited. An elongated bowl may be more comfortable for some households but can take up more of the room’s usable length. Measure around the door swing, vanity, and any required access space before deciding. If both fit, comfort and who uses the bathroom can break the tie.
Can I buy one of the bowl-only models and use my existing concealed tank?
Only if the existing carrier and tank are confirmed compatible with that specific bowl. Similar appearance or the same general toilet type does not establish matching mounting points, flushing components, or installation instructions. Several Swiss Madison and Los Flexi listings name a bowl without describing a complete carrier system, so check the included-parts list before purchase. Contact the manufacturer or ask your installer to confirm compatibility in writing. If the carrier is unknown or the wall is already closed, a matched system may be a less uncertain route.
Is a 2×4 carrier always the better choice for saving space?
No. A 2×4 carrier is intended for a different wall-framing depth than a 2×6 carrier, but the finished projection also depends on the tank, carrier, plumbing, wall finish, and the selected bowl. A system that fits a thinner wall may help preserve room depth, but it is not automatically compatible with existing framing or plumbing. Compare the manufacturer’s installation dimensions with the finished-wall plan, rather than choosing by the framing label alone. Have the installer confirm structural support and service access before work begins.
What should I confirm before ordering a complete wall-hung toilet system?
Confirm the carrier and tank are included, along with the bowl, seat, flush plate, and required mounting parts; listings do not always bundle every component. Match the system to the wall framing, plumbing location, finished-wall depth, and bowl projection. Check the flush configuration, seat details, height range if adjustable, and access method for servicing the tank. Ask the installer to review the manufacturer’s instructions before ordering, especially if the bathroom is already finished or space for changes is limited. A complete listing can reduce parts-matching work, but it still needs to suit the room and installation.
Conclusion
For most small-bathroom projects, I would start with the Los Flexi Wall-Hung Toilet System as the best overall pick because its adjustable bowl and dual-flush plate make it a more complete, adaptable starting point. The Los Flexi round combo is my best choice for buyers prioritizing a round bowl and a space-conscious layout, while the Eridanus 2×4 dual-flush system is a strong value-oriented candidate when its carrier fits the wall plan. For a more premium feel or a distinctive look, consider the Eridanus 2×6 system, including the black finish option, after confirming its dimensions and service needs. Beginners should favor a clearly bundled system and have an installer verify all included parts before purchase; buyers with an existing compatible carrier can look at bowl-only options such as Swiss Madison or Los Flexi. The right choice is the one that fits the finished wall, leaves usable clearance, and can be serviced—not simply the one with the smallest-looking bowl.
