A wall-hung toilet carrier frame has to fit your wall construction and toilet system—not just look right in a product listing. My best overall pick is the Geberit Duofix Carrier Frame for 2×4 Construction, a focused option for projects that need a frame specified for standard 2×4 walls. The Geberit Duofix Sigma system for 2×6 walls stands out for a deeper wall build, while the Swiss Madison SM-WC426 is a system option worth comparing if you want the carrier and concealed tank together. The main tradeoffs are stud depth, what components are included, and how much compatibility checking the installation demands. Read on for the full breakdown and help matching a frame to your bathroom plan.
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Key Takeaways
- Wall depth is the first meaningful split. The lineup includes frames made for 2×4 and 2×6 construction, so selecting by brand alone can lead to a poor fit.
- Geberit offers distinct choices by installation context: the 2×4 Duofix frame is the focused pick for thinner walls, while the Sigma system is the listed option for 2×6 walls.
- Several Swiss Madison and Eridanus listings pair a carrier with a concealed tank or flush plate. Compare exactly what is included before treating two system bundles as interchangeable.
- Toilet-and-carrier sets reduce some compatibility guesswork but limit flexibility compared with a standalone frame-and-tank choice.
- Smart and complete-system listings need extra scrutiny. Check which components are supplied and what installation requirements apply before choosing them over a carrier-focused model.
| Concealed In-Wall Toilet Tank Carrier with Dual Flush Actuator Plate | ![]() | Best Overall | Construction: Steel frame | Flush options: 0.8/1.6 GPF dual flush | Height adjustment: 0–4¾ inches | VIEW ON AMAZON | See Our Full Breakdown |
| Swiss Madison SM-WC426 Concealed In-Wall Toilet Tank Carrier System | ![]() | Best for Noise and Condensation Control | Manufacturer and model: Swiss Madison SM-WC426 | Dimensions: 20 x 6.5 x 45 inches | Weight: 33 pounds | VIEW ON AMAZON | See Our Full Breakdown |
| Los Flexi Elongated Wall-Hung Toilet System with Dual Flush | ![]() | Best Complete Toilet-and-Carrier Set | Model: KBWH01 | Installation: Wall mounted | Bowl shape: Oval and elongated | VIEW ON AMAZON | See Our Full Breakdown |
| MEJE Wall-Hung Smart Toilet with In-Wall Carrier | ![]() | Best Smart-Toilet Upgrade | Brand and model: MEJE MJ-G838WH | Installation type: Wall-hung | Water tank: Built-in | VIEW ON AMAZON | See Our Full Breakdown |
| Geberit Duofix Carrier Frame for 2×4 Construction | ![]() | Best for 2×4 Walls and Height Adjustment | Manufacturer and model: Geberit 111.597.00.1 | Construction fit: 2×4 construction | Dimensions: 47.24 x 21.26 x 5.71 inches | VIEW ON AMAZON | See Our Full Breakdown |
| Swiss Madison SM-WC424 Concealed In-Wall Toilet Tank Carrier System for Wall-Hung Toilets | ![]() | Best for 2×4 Residential Framing | Manufacturer: Swiss Madison | Model: SM-WC424 | Installation: Wall-mounted, concealed in-wall | VIEW ON AMAZON | See Our Full Breakdown |
| Eridanus Concealed In-Wall Toilet Tank Carrier with Dual Flush Plate, 2 x 6 Studs | ![]() | Best Carrier Package for 2×6 Walls | Manufacturer: Eridanus | Model: ERI-WT400 | Wall compatibility: 2×6 stud walls; also fits solid walls | VIEW ON AMAZON | See Our Full Breakdown |
| Swiss Madison Hugo H Wall-Hung Toilet with 2×6 Supporting Frame, Glossy White | ![]() | Best Integrated Toilet-and-Frame Set | Brand: Swiss Madison | Model: SM-WT3906GW | Material and color: Ceramic, glossy white | VIEW ON AMAZON | See Our Full Breakdown |
| Eridanus Wall-Hung Toilet with 2×6-Inch In-Wall Tank Carrier and Dual Flush | ![]() | Best Complete Dual-Flush Package | Manufacturer: Eridanus | Model: ERI-WT421 | Installation: Wall-mounted | VIEW ON AMAZON | See Our Full Breakdown |
| Geberit Duofix In-Wall System with Sigma Concealed Tank for 2×6 Walls | ![]() | Best for High-Support Capacity | Model: 111.335.00.5 | Wall construction: 2×6 | Stud wall depth: 5.5 inches | VIEW ON AMAZON | See Our Full Breakdown |
| Eridanus Concealed In-Wall Toilet Tank Carrier with Dual-Flush Plate, Fits 2×4 Studs | ![]() | Best for 2×4 Wall Retrofits | Manufacturer: Eridanus | Model: ERI-WT404 | Dimensions: 44.88 × 3.54 × 22.83 inches | VIEW ON AMAZON | See Our Full Breakdown |
| MEJE MZE014P In-Wall Toilet Tank Carrier with Dual-Flush Actuator Plate | ![]() | Best for MEJE Smart-Toilet Pairing | Brand: MEJE | Model: MJ-MZE014P-WT | Wall compatibility: Wood or steel 2×6-inch studs | VIEW ON AMAZON | See Our Full Breakdown |
| wall hung toilet carrier frame | Dimensions | Model | Warranty |
|---|---|---|---|
| Concealed In-Wall Toilet Tank | — | — | Two years |
| Swiss Madison SM-WC426 Conceal | 20 x 6.5 x 45 inches | — | 1 year limited |
| Los Flexi Elongated Wall-Hung | 22.45 x 14.79 x 13.25 inches (D x W x H) | KBWH01 | 2 years |
| MEJE Wall-Hung Smart Toilet wi | — | — | One year |
| Geberit Duofix Carrier Frame f | 47.24 x 21.26 x 5.71 inches | — | Limited lifetime |
| Swiss Madison SM-WC424 Conceal | 22.81 × 4.75 × 51.18 inches | SM-WC424 | 1-year limited |
| Eridanus Concealed In-Wall Toi | 19.87 × 4.75 × 44.87 inches | ERI-WT400 | — |
| Swiss Madison Hugo H Wall-Hung | 24.5 × 16 × 14.5 inches (D × W × H) | SM-WT3906GW | — |
| Eridanus Wall-Hung Toilet with | 20.87 × 14.57 × 14.17 inches | ERI-WT421 | One-year limited warranty; lifetime after-sales service |
| Geberit Duofix In-Wall System | — | 111.335.00.5 | — |
| Eridanus Concealed In-Wall Toi | 44.88 × 3.54 × 22.83 inches | ERI-WT404 | — |
| MEJE MZE014P In-Wall Toilet Ta | — | MJ-MZE014P-WT | — |
More Details on Our Top Picks
Concealed In-Wall Toilet Tank Carrier with Dual Flush Actuator Plate
I’d put this carrier first for buyers who want a practical, mostly complete frame-and-tank package without adding a separate actuator plate to the parts list. Its steel frame, 0.8/1.6 GPF dual flush, and 0–4¾-inch height adjustment cover the core choices that shape a wall-hung toilet installation. Compared with the Swiss Madison SM-WC426, this one includes the flush plate, while the Swiss Madison system specifies compatibility with 2 x 6 studs and has an insulated tank. The tradeoff is that this listing says it suits most wall-hung toilets but gives no stud-depth requirement, so I’d confirm fit with the manufacturer and installer before opening the wall. It also needs an in-wall installation, making it a poor match for a simple toilet replacement that keeps existing floor-mounted plumbing.
Pros:- Includes a flush actuator plate, avoiding a separate plate purchase.
- Dual-flush settings offer 0.8 and 1.6 GPF options.
- Height adjusts through a 0–4¾-inch range.
- Steel construction and two-year warranty support are specified.
Cons:- Requires in-wall plumbing and installation rather than a straightforward floor-toilet swap.
- Stud depth and detailed compatibility limits are not specified.
Best for: Renovators planning a wall-hung toilet who want the carrier, dual-flush tank system, and actuator plate supplied together.
Not ideal for: Homeowners replacing a standard floor-mounted toilet or anyone who cannot accommodate an in-wall carrier installation.
- Construction:Steel frame
- Flush options:0.8/1.6 GPF dual flush
- Height adjustment:0–4¾ inches
- Compatibility:Most wall-hung toilets
- Included:In-wall tank carrier and flush actuator plate
- Warranty:Two years
Our verdict“Choose this as a straightforward wall-hung carrier package if you want the actuator plate included and can verify the frame fits your wall.”
Swiss Madison SM-WC426 Concealed In-Wall Toilet Tank Carrier System
I’d choose the SM-WC426 when quiet operation and tank condensation are higher priorities than getting every visible part in one box. Its insulated tank is designed to reduce sweating and noise, while the steel frame supports a concealed installation with dual-flush options. Unlike the Concealed In-Wall Toilet Tank Carrier with Dual Flush Actuator Plate, this system does not include an actuator plate, so you’ll need to select one separately. Its specified fit for 2 x 6 wall studs is useful for planning, but rules it out for many shallower walls unless the surrounding construction is changed. The one-year limited warranty is also shorter than the two-year coverage listed for the first carrier. I’d favor it where the wall depth is confirmed and insulation matters more than a bundled plate.
Pros:- Insulated tank is designed to reduce condensation and flushing noise.
- Adjustable steel frame supports installation-height flexibility.
- Dual-flush settings are 0.8 and 1.6 gallons per flush.
- Tank opening provides access to internal components.
Cons:- Actuator plate is sold separately.
- Designed for 2 x 6 wall studs, limiting fit in shallower walls.
- One-year limited warranty is shorter than the two-year coverage on the first carrier.
Best for: Renovators with 2 x 6 walls who want an insulated concealed tank and are comfortable choosing an actuator plate separately.
Not ideal for: Buyers working with 2 x 4 framing, or anyone seeking a complete carrier-and-plate package with longer stated warranty coverage.
- Manufacturer and model:Swiss Madison SM-WC426
- Dimensions:20 x 6.5 x 45 inches
- Weight:33 pounds
- Frame material:Steel
- Compatible wall studs:2 x 6
- Flush options:0.8/1.6 gallons per flush
- Tank:Insulated concealed tank
- Warranty:1 year limited
Our verdict“Pick the SM-WC426 for an insulated, specified 2 x 6 installation, provided you budget for a separate actuator plate.”
Los Flexi Elongated Wall-Hung Toilet System with Dual Flush
This is the most complete route in the group if you need the bowl and carrier together, not just the in-wall frame. The package includes an elongated ceramic bowl, tank and carrier, soft-close quick-release seat, installation accessories, and a black dual-flush actuator plate. Its 0–7⅞-inch carrier-height adjustment gives more stated range than the 0–4¾ inches on the Concealed In-Wall Toilet Tank Carrier, which can help when setting bowl height around a specific installation plan. That breadth comes with a major tradeoff: at 93 pounds and with two shipping packages, it is a larger, more involved purchase than a frame-only system. Buyers who already own a compatible wall-hung bowl would be paying for parts they may not need. I’d shortlist it for a full fixture replacement, not a carrier-only upgrade.
Pros:- Includes the elongated ceramic bowl, carrier, tank, seat, and actuator plate.
- Carrier height adjusts from 0 to 7⅞ inches.
- Soft-close, quick-release seat supports quieter use and easier removal.
- Dual-flush options use 0.8 or 1.6 GPF.
Cons:- The 93-pound system is heavier and more involved to handle than a carrier-only purchase.
- Ships in two packages, which may complicate delivery and installation scheduling.
- Wall-hung installation requires suitable in-wall plumbing and structural support.
Best for: Homeowners replacing a toilet with a wall-hung setup who want the bowl, carrier, seat, tank, and actuator plate in one package.
Not ideal for: Buyers who already have a wall-hung bowl or only need a carrier frame, since this package includes a full toilet system.
- Model:KBWH01
- Installation:Wall mounted
- Bowl shape:Oval and elongated
- Flush options:0.8 and 1.6 GPF
- Carrier height adjustment:0 to 7⅞ inches
- Dimensions:22.45 x 14.79 x 13.25 inches (D x W x H)
- Weight:93 pounds
- Included components:Toilet bowl, tank and carrier system, black flush actuator plate, soft-close quick-release seat, and installation accessories
- Warranty:2 years
Our verdict“Choose Los Flexi when you need a coordinated bowl-and-carrier system, but skip it if your project only calls for a frame.”
MEJE Wall-Hung Smart Toilet with In-Wall Carrier
I’d treat the MEJE as a smart-toilet purchase that happens to include a carrier, rather than as a direct alternative to a standalone frame. The package pairs its in-wall carrier and built-in tank with front, rear, and female washing, warm-air drying, a heated seat, auto lid, and auto flush. Two remotes and a laser foot sensor add control choices that the simpler Swiss Madison SM-WC426 carrier does not offer. That convenience brings more components and settings to a project, while the listed one-year warranty is shorter than the two-year coverage on the first carrier and the Los Flexi system. The product data does not specify stud depth, frame dimensions, or flush-volume settings, so I’d get those details before confirming compatibility with the planned wall. Skip it if your priority is a straightforward, serviceable carrier frame.
Pros:- Includes an in-wall carrier frame and built-in water tank.
- Bidet features include front, rear, and female washing with adjustable settings.
- Heated seat and warm-air dryer add comfort features beyond a basic carrier.
- Auto lid and auto flush can be adjusted or turned off.
Cons:- The smart functions make this a more feature-heavy choice than a standalone carrier system.
- One-year warranty is shorter than the two-year coverage listed for the first carrier and Los Flexi system.
- Frame dimensions, stud-depth fit, and flush volumes are not provided in the supplied product data.
Best for: Buyers planning a wall-hung smart-toilet installation who want integrated bidet washing, heated seating, and automatic functions.
Not ideal for: Shoppers seeking a simple carrier-only system, or installers who need confirmed frame dimensions and stud-depth compatibility before selecting a product.
- Brand and model:MEJE MJ-G838WH
- Installation type:Wall-hung
- Water tank:Built-in
- Bidet functions:Front wash, rear wash, female wash, adjustable nozzle position, water temperature, and pressure
- Additional features:Warm-air dryer, heated seat, auto lid, auto flush, laser foot sensor, and foam shield
- Included components:In-wall carrier frame, two remote controls, and gray replacement screen panel
- Color:White
- Warranty:One year
Our verdict“Choose MEJE if the smart bidet features are part of the project; choose a standalone carrier if frame fit and simplicity come first.”
Geberit Duofix Carrier Frame for 2×4 Construction
The Geberit Duofix is the clearest fit here for a project built around 2×4 construction and a defined seat-height target. Its adjustable seat height spans 15 to 19 inches, while the insulated concealed tank is designed to limit condensation and the dual-flush setup offers 1.28/0.8 GPF. Compared with the Swiss Madison SM-WC426, whose stated framing fit is 2 x 6 studs, this listing is aimed at a shallower wall. It also offers a limited lifetime warranty, unlike the shorter stated coverage on several other systems. The catch is that this is a frame-only product; the product data does not list a bowl or actuator plate among the included components. I’d put it ahead of bundled systems only when the wall framing and long-term frame purchase are the priorities.
Pros:- Designed for 2×4 construction, unlike the Swiss Madison SM-WC426 specified for 2 x 6 studs.
- Seat height adjusts from 15 to 19 inches.
- Insulated concealed tank is designed to help prevent condensation.
- Dual-flush rates are specified as 1.28/0.8 GPF, with a limited lifetime warranty.
Cons:- Product-only components are included; a bowl and actuator plate are not listed.
- The product data does not specify a compatible bowl model or included installation accessories.
- Its 37-pound frame still needs in-wall installation and suitable structural support.
Best for: Renovators with 2×4 framing who want an adjustable 15–19-inch seat height and plan to source the toilet bowl and actuator plate separately.
Not ideal for: Buyers seeking a complete toilet package or those with 2×6 framing who want a system specified for their wall depth.
- Manufacturer and model:Geberit 111.597.00.1
- Construction fit:2×4 construction
- Dimensions:47.24 x 21.26 x 5.71 inches
- Weight:37 pounds
- Flush rate:1.28/0.8 GPF
- Seat height:Adjustable from 15 to 19 inches
- Tank:Concealed and insulated
- Style:Sigma
- Warranty:Limited lifetime
Our verdict“Choose the Geberit Duofix for a 2×4-wall project that needs adjustable seat height, provided you are sourcing the bowl and plate separately.”
Swiss Madison SM-WC424 Concealed In-Wall Toilet Tank Carrier System for Wall-Hung Toilets
I’d shortlist the SM-WC424 when the existing wall is standard 2×4 residential framing and I want a carrier rather than a complete toilet package. Its adjustable steel frame legs allow flexibility in bowl mounting height, while the insulated tank is intended to reduce condensation and flushing noise inside the wall. The stated 500-pound capacity gives buyers a clear support figure. Compared with the Eridanus ERI-WT400, this system is the more natural fit for 2×4 studs; that Eridanus model is designed around 2×6 walls and includes a flush plate. The tradeoff here is a more limited package: the bowl, faucet, and actuator plate are separate purchases, and the frame is not specified for 2×6 framing. I’d verify the wall dimensions and component compatibility before closing the wall.
Pros:- Designed for common 2×4 residential studs
- Adjustable carrier legs allow flexibility in mounting height
- Insulated tank is intended to reduce condensation and flush noise
- Listed support capacity of up to 500 pounds
Cons:- Wall-hung bowl, faucet, and actuator push-button plate are sold separately
- Not specified for 2×6 stud walls
- One-year limited warranty
Best for: Renovators with 2×4 residential stud walls who want an adjustable carrier and plan to select the bowl and actuator plate separately.
Not ideal for: Buyers with 2×6 framing or anyone seeking a near-complete package, since this system is designed for 2×4 studs and omits the bowl and actuator plate.
- Manufacturer:Swiss Madison
- Model:SM-WC424
- Installation:Wall-mounted, concealed in-wall
- Stud size:2×4 residential studs
- Material:Stainless steel
- Dimensions:22.81 × 4.75 × 51.18 inches
- Maximum weight capacity:500 pounds
- Warranty:1-year limited
Our verdict“Choose the SM-WC424 if you need a 2×4-compatible carrier and are comfortable sourcing the bowl and flush plate separately.”
Eridanus Concealed In-Wall Toilet Tank Carrier with Dual Flush Plate, 2 x 6 Studs
The Eridanus ERI-WT400 stands out for buyers who want the carrier, concealed tank, and actuator plate in one package. Its dual-flush controls offer 0.8/1.6 GPF options, and the listed kit includes the rough-in box, pipes, fittings, fixings, and installation instructions—useful when coordinating parts before wall finishing. The frame height adjusts through a stated 0–200 mm range. Compared with the Swiss Madison SM-WC424, this is the more complete carrier kit, but it is built for 2×6 stud walls or solid walls rather than the SM-WC424’s 2×4 residential framing. The toilet bowl is still separate, so the included flush plate does not make this a complete toilet purchase. I’d confirm the specific bowl’s compatibility and available wall depth before choosing it.
Pros:- Includes a dual-flush actuator plate and a broad set of installation parts
- Offers 0.8/1.6 GPF dual-flush options
- Adjustable frame height with a stated 0–200 mm range
- Compatible with 2×6 stud walls and solid walls
Cons:- Wall-hung toilet bowl must be purchased separately
- Not specified for standard 2×4 stud walls
- Buyers need to confirm compatibility with their chosen bowl and wall assembly
Best for: Homeowners building or remodeling a 2×6 or solid wall who want the carrier, tank, fittings, and dual-flush plate supplied together.
Not ideal for: Buyers with 2×4 walls or those expecting a complete toilet set, because the frame is aimed at 2×6 or solid walls and the bowl is not included.
- Manufacturer:Eridanus
- Model:ERI-WT400
- Wall compatibility:2×6 stud walls; also fits solid walls
- Flush system:Dual flush, 0.8/1.6 GPF
- Adjustable frame height:0–200 mm
- Dimensions:19.87 × 4.75 × 44.87 inches
- Weight:33.8 pounds
- Toilet bowl:Not included
Our verdict“Pick the ERI-WT400 for a more fully supplied carrier kit on a 2×6 or solid wall, provided you are sourcing the bowl separately.”
Swiss Madison Hugo H Wall-Hung Toilet with 2×6 Supporting Frame, Glossy White
Unlike the separate carrier systems in this lineup, the Swiss Madison Hugo H includes both the ceramic wall-hung toilet and its supporting frame. That makes it a more coordinated option for buyers who prefer one toilet-and-frame purchase over pairing a bowl with a standalone carrier such as the Geberit Duofix. The frame is specified for 6-inch stud walls, and the toilet uses an air-assisted, 1.28 GPF single flush without requiring electricity. Its ceramic surface is designed to resist hard-water mineral buildup, while the stated 500-pound capacity provides a support specification. The tradeoff is less flexibility: this is not a 2×4 carrier, and its single-flush setup lacks the selectable flush volumes of the Eridanus ERI-WT421. I’d check wall construction and plumbing access before committing.
Pros:- Includes the wall-hung toilet and in-wall carrier
- Air-assisted 1.28 GPF flush operates without electricity
- Ceramic is designed to resist hard-water mineral buildup
- Listed weight capacity of 500 pounds
Cons:- Requires compatible 6-inch stud framing and a solid wall
- Single-flush system does not offer the selectable flush volumes of dual-flush alternatives
- Integrated bowl-and-frame package offers less flexibility than a standalone carrier
Best for: Buyers with compatible 6-inch stud framing who want the toilet bowl and supporting frame supplied as one coordinated set.
Not ideal for: Renovators with 2×4 walls or buyers who want a standalone carrier, dual-flush controls, or more freedom to choose a separate bowl.
- Brand:Swiss Madison
- Model:SM-WT3906GW
- Material and color:Ceramic, glossy white
- Installation:Wall-hung
- Frame compatibility:6-inch stud walls
- Flush rate:1.28 GPF, single flush
- Weight capacity:500 pounds
- Dimensions:24.5 × 16 × 14.5 inches (D × W × H)
- Included components:Wall-hung toilet and in-wall carrier
Our verdict“Choose the Hugo H if you have 6-inch framing and want a matched toilet and frame rather than a carrier-only system.”
Eridanus Wall-Hung Toilet with 2×6-Inch In-Wall Tank Carrier and Dual Flush
The Eridanus ERI-WT421 is the most inclusive choice here for buyers who want a toilet as well as its carrier: the package lists the bowl, seat, concealed tank carrier, dual-flush plate, and mounting accessories. Its rimless, double-jet bowl and floating installation are intended to make routine cleaning easier, while the soft-close seat adds a quieter close. Compared with the carrier-only Eridanus ERI-WT400, this saves the separate bowl-selection step; the WT400, however, specifies its 0.8/1.6 GPF flush rates and adjustable frame-height range, details not provided for this package. The main logistical drawback is that the toilet and tank ship separately, so installation planning may depend on both arriving. I’d also confirm the exact framing requirements for the 2×6 carrier before ordering.
Pros:- Includes the bowl, seat, carrier, dual-flush plate, and mounting accessories
- Rimless bowl and floating installation are designed to simplify cleaning
- Dual-jet flush and soft-close seat support quieter everyday use
- One-year limited warranty with stated lifetime after-sales service
Cons:- Toilet and tank ship in separate packages and may arrive at different times
- Specific flush rates and adjustable frame-height range are not provided
- Seat warranty is limited to one year
Best for: Renovators who want a wall-hung bowl, seat, carrier, flush plate, and mounting accessories together in a dual-flush package.
Not ideal for: Buyers who need every package component to arrive together or who require specified flush-volume figures and frame-height adjustment details.
- Manufacturer:Eridanus
- Model:ERI-WT421
- Installation:Wall-mounted
- Material and color:Ceramic, white
- Dimensions:20.87 × 14.57 × 14.17 inches
- Flush system:Dual flush with double-jet rimless bowl
- Included components:Toilet bowl, cover and seat, in-wall tank carrier, dual-flush plate, mounting accessories
- Warranty:One-year limited warranty; lifetime after-sales service
Our verdict“Choose the ERI-WT421 if you want a bundled wall-hung toilet and carrier with dual flush, and can accommodate separate package deliveries.”
Geberit Duofix In-Wall System with Sigma Concealed Tank for 2×6 Walls
The Geberit Duofix is the standout when a buyer prioritizes a high stated support limit and needs a system specified for a substantial 2×6 wall assembly. Its listed capacity is up to 880 pounds, higher than the 500-pound figures provided for the Swiss Madison carrier and Hugo H frame. It also supports wood or steel stud walls at a stated 5.5-inch depth, giving more clarity about the required wall build-up. This remains a carrier system rather than a complete toilet package, and its compatibility is limited to specified 2-hole wall-hung wash-down toilets. Compared with the Eridanus ERI-WT421, it offers a higher stated support capacity but does not include the bowl, seat, or flush plate in the supplied product data. I’d select it only after matching the toilet’s fastening distance and height.
Pros:- Listed support capacity of up to 880 pounds
- Designed for wood or steel stud walls
- Specifies a 5.5-inch stud-wall depth
- Provides toilet fastening-distance and height ranges for compatibility checks
Cons:- Requires a 2×6 wall with 5.5-inch depth
- Compatible only with specified 2-hole wall-hung wash-down toilets
- Bowl and other toilet components are not listed as included
Best for: Buyers building a 2×6 wood or steel stud wall who prioritize the listed 880-pound support capacity and already have a compatible 2-hole toilet in mind.
Not ideal for: Those with 2×4 walls, a non-compatible toilet, or a preference for a bundled bowl, seat, and flush plate.
- Model:111.335.00.5
- Wall construction:2×6
- Stud wall depth:5.5 inches
- Toilet type:2-hole wall-hung wash-down WC
- Fastening distance:7.1 or 9.1 inches
- Toilet height:15–19 inches
- Flush rate:1.6 GPF
- Supported weight:Up to 880 pounds
Our verdict“Pick the Geberit Duofix when its 2×6 wall and 2-hole toilet requirements match your project and its higher stated support capacity is a priority.”
Eridanus Concealed In-Wall Toilet Tank Carrier with Dual-Flush Plate, Fits 2×4 Studs
I’d shortlist this Eridanus frame when the existing wall is built with 2×4 studs and preserving that wall depth matters. Its frame adjusts through 0–200 mm, giving installers room to set the bowl height, while the included tank, flush plate, pipes, and fixing parts make it a more complete starting package than the MEJE MZE014P, which specifies 2×6-inch studs. The dual-flush choices of 0.8 and 1.6 GPF also give buyers a lower-volume option for routine use. The tradeoff is that compatibility is described broadly rather than by a list of tested bowl models, and the toilet bowl is not included. I’d verify the bowl’s mounting and plumbing requirements before buying; this is a frame-and-tank package, not a complete toilet system.
Pros:- Designed for 2×4 stud walls and also listed for solid-wall installation
- Adjustable frame height from 0 to 200 mm
- Dual-flush settings of 0.8 and 1.6 GPF
- Includes the tank, actuator plate, and a broad set of installation components
Cons:- Toilet bowl is sold separately
- Compatibility is stated broadly without specific compatible bowl models
- Its listed 3.54-inch depth may require careful planning within the wall assembly
Best for: Homeowners and remodelers with 2×4 stud walls who want an adjustable carrier, dual-flush plate, and installation components in one package.
Not ideal for: Buyers who need a complete toilet or want a carrier specified for a particular bowl model without confirming compatibility first.
- Manufacturer:Eridanus
- Model:ERI-WT404
- Dimensions:44.88 × 3.54 × 22.83 inches
- Wall compatibility:2×4 stud walls; also fits solid walls
- Flush system:Dual flush, 0.8/1.6 GPF
- Adjustable frame height:0–200 mm
- Included components:Carrier and tank, dual-flush actuator plate, pipework, fixing kit, rough-in box, and installation accessories
- Toilet bowl:Not included
Our verdict“Choose this Eridanus package for a 2×4-wall installation where an adjustable frame and included flush hardware matter more than having the bowl in the box.”
MEJE MZE014P In-Wall Toilet Tank Carrier with Dual-Flush Actuator Plate
The MEJE MZE014P is the more tailored pick for buyers pairing a carrier with the MEJE MZE014P smart toilet. Its front-panel maintenance access is useful because service can be approached from the finished wall rather than requiring access behind the frame. MEJE also lists support up to 880 lbs and height adjustment up to 7¾ inches, giving installers room to set the bowl position. Compared with the Eridanus 2×4 frame, though, this model calls for 2×6-inch wood or steel studs, so it is a less flexible choice for shallow walls. Its flush volumes are 0.9 and 1.7 GPF, rather than Eridanus’s lower 0.8-GPF half-flush option. Buyers considering another brand’s bowl should confirm fit: compatibility beyond the named MEJE toilet is not spelled out by model.
Pros:- Front-panel access supports maintenance from the finished-wall side
- Supports a stated maximum load of 880 lbs
- Height adjustment of up to 7¾ inches
- Dual-flush actuator plate is included
Cons:- Requires 2×6-inch wood or steel studs
- Compatibility with toilets beyond the MEJE MZE014P is not specified by model
- Its 0.9/1.7 GPF flush volumes are higher than the Eridanus 0.8/1.6 GPF options
Best for: Buyers installing the MEJE MZE014P smart toilet in a 2×6-inch wood or steel stud wall who value front-side maintenance access.
Not ideal for: Remodelers with 2×4 walls, or buyers pairing the carrier with a non-MEJE toilet who need model-specific compatibility confirmation.
- Brand:MEJE
- Model:MJ-MZE014P-WT
- Wall compatibility:Wood or steel 2×6-inch studs
- Flush volumes:Full: 1.7 GPF (6.5 L); half: 0.9 GPF (3.5 L)
- Tank capacity:8 L
- Maximum supported weight:880 lbs (400 kg)
- Height adjustment:Up to 7¾ inches
- Item weight:30 pounds
- Package includes:In-wall toilet tank carrier system and glossy chrome dual-flush actuator plate
Our verdict“Pick the MEJE carrier for a compatible MEJE smart-toilet installation in a 2×6 wall, but confirm fit carefully before pairing it with another brand’s bowl.”

How We Picked
I compared these options through the needs of a wall-hung toilet installation: stated stud depth, whether the listing describes a frame alone or a larger toilet-and-tank system, the inclusion of a concealed tank or actuator plate, and how clearly the product is matched to a particular installation. These details shape fit, purchasing complexity, and the chance of discovering that a needed component is separate.
The ranking favors products with a clearly stated installation use and a more defined role in this lineup. The two Geberit options rank for their explicit 2×4 and 2×6 applications, rather than as interchangeable choices. Bundled toilet systems follow for buyers who want fewer separate selections, while listings with less specific differentiation sit lower because shoppers may need to verify more details before ordering. I did not infer unlisted dimensions, compatibility, included parts, or performance claims.
Factors to Consider When Choosing Wall Hung Toilet Carrier Frame
Before choosing a frame, match the installation to the room and the full toilet system. The following checks address problems that are easy to miss when a listing headline focuses on the carrier alone.
Match the frame to the actual wall build
Start by confirming whether the planned support wall uses 2×4 or 2×6 studs; this roundup includes options labeled for both. Do not assume a frame intended for one depth will fit the other simply because both are concealed systems. Measure the finished wall plan as well as the framing, since board layers, tile, and other finishes affect the available space. If you are renovating, have the installer verify the framing before the wall closes. A mismatch can force changes to the wall or require a different frame. Choose the model whose stated construction matches the project, not the one with the most familiar brand name.
Decide whether you need a frame, a tank system, or a complete toilet set
Listings in this group range from carrier-focused products to systems that name a concealed tank, flush plate, or toilet in the bundle. Those are not equivalent purchase scopes. Before comparing options, write down which parts your project already has and which still need to be sourced. A bundled set may simplify coordination, but it can duplicate a compatible toilet or flush component you already own. A frame-only route can offer more freedom to choose components, while putting more responsibility on you to check fit. Read the included-components list rather than relying on the product title.
Check compatibility across the whole installation
A carrier frame is one part of a system, so verify the relationship between the frame, concealed tank, toilet, actuator plate, and plumbing connections. Product names can signal a bundle without spelling out every compatibility detail. Ask the manufacturer or installer to confirm the exact model combination before ordering, especially if mixing brands or reusing existing parts. Avoid assuming that a flush plate is included or compatible just because a listing mentions dual flush. Keep model numbers and product documentation together for the installer. A little checking up front can prevent delays after the wall is framed or finished.
Plan service access before closing the wall
Concealed equipment still needs a route for future service, so ask how the tank and flush components are reached after installation. The actuator opening may provide access, but the exact service approach depends on the system and its instructions. Confirm the required opening size and any access restrictions with the manufacturer before selecting tile or wall finishes. Do not rely on cutting through finished surfaces later as a maintenance plan. If a contractor is installing the frame, have them explain how routine service will be handled. Access planning matters even when the frame itself will be hidden.
Treat a smart toilet as a separate compatibility decision
A smart toilet bundle may combine features that a basic carrier system does not, but it also narrows the selection to a more specific setup. Check what the listing includes and what utilities, connections, or installation conditions the toilet requires. Confirm that the carrier and toilet are intended to work together rather than assuming the word “system” covers every part. Consider who will install and service the electronic components, particularly in a remodel where wiring or access may be limited. If your priority is simply a concealed carrier, a smart bundle may add complexity you do not need. Compare the full installation scope, not just the feature list.
Know when paying for a system bundle makes sense
A broader bundle can be worthwhile when it brings together components you need and clearly identifies their relationship. It is less useful when you already have a toilet, flush plate, or tank that the bundle repeats. Compare the completeness of each package against your project checklist instead of judging by the number of items named in the title. Also account for the labor and coordination involved in sourcing separate compatible parts. For a straightforward replacement or planned remodel, fewer separate decisions may help. For a custom bathroom, a more modular approach can preserve choice if compatibility is verified.
Frequently Asked Questions
Can I use a 2×4 carrier frame in a 2×6 wall?
Do not assume that a frame labeled for 2×4 construction will suit a 2×6 installation without checking its instructions. The wall depth affects how the carrier and concealed tank sit in the framed space and how the finished toilet aligns. This roundup lists separate Geberit options for 2×4 and 2×6 walls, which makes the distinction clear. Ask the manufacturer or installer whether the exact frame can be fitted to your wall plan. Confirm before rough-in work begins, not after the wall is closed.
Should I buy a carrier frame on its own or a system that includes the toilet?
Choose a frame-focused option if you already have a compatible toilet or want to select fixtures separately. A toilet-and-carrier system may simplify coordination when you need the listed components together, but it can be a poor fit if it duplicates parts you own. Compare the included-items list, not just the product name. Then have the installer confirm compatibility among the toilet, frame, tank, and flush plate. The better route depends on what your project still needs, not on bundle size.
Does a dual-flush plate come with every carrier listed here?
No; some product names explicitly mention a dual-flush plate or actuator, while others focus on the carrier or identify a larger toilet system. Treat the listing title as a prompt to check the package details, not as proof that every required flush component is included. Confirm the exact plate model and whether it is compatible with the tank. If you are comparing a frame-only purchase with a bundle, list the parts separately so you can spot omissions or duplicates. This step can also clarify what the installer needs on site.
What should I confirm before ordering a concealed carrier for a remodel?
Confirm the wall framing depth, available installation space, plumbing plan, toilet compatibility, and required service access. A remodel may have existing constraints that differ from a new framed wall, so ask the installer to assess the actual site rather than relying on a general product description. Check whether the listing includes the tank and flush plate, and identify any components that must be sourced separately. Keep the product model numbers available for the contractor. Ordering only after these details are settled can reduce the risk of changing the plan mid-installation.
Is a smart toilet carrier system a good choice if I only need a wall-hung toilet?
It can be, but a smart system may add components and installation requirements beyond what a basic wall-hung setup needs. Check the listing for the full toilet and carrier scope, then confirm any utility, connection, or service requirements with the manufacturer. If you want a simple concealed carrier and conventional toilet, a smart bundle may add complexity without helping your project. If the smart features are part of your plan, check that the installer can support the full system. Compare it with a carrier-focused option before committing.
Conclusion
For the best overall fit by stated wall type, I would start with the Geberit Duofix Carrier Frame for 2×4 Construction when the project uses 2×4 framing; for 2×6 construction, compare the Geberit Duofix Sigma system specified for that wall depth. The best value approach is to choose the least complex listing that includes the parts your project actually needs, then verify compatibility rather than paying for duplicate components. For a premium or feature-led setup, review the MEJE smart toilet system closely and confirm its installation requirements. For beginners, a clearly described toilet-and-carrier bundle may reduce separate sourcing, provided the included parts suit the project. For a specific 2×6 need, the Geberit Sigma system or the clearly labeled Eridanus 2×6 option merit comparison; make the final choice only after checking the full component list and installation plan.
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