Yes. Ella's Bubbles builds several walk-in tubs for very large and bariatric bathers, including the extra-large Big4One with its outward-swing U-shape door, the wheelchair-accessible TransferXXL, and the ShaK and Big4Two, which are the largest-capacity models in the lineup. Ella does not publish a single bather weight limit, because the deciding factor is fit rather than weight, and What Is the Total Weight Capacity of a Walk-In Tub? explains why the reinforced stainless steel frame makes comfort, not capacity, the question to settle. This page compares the models built for larger bathers and shows how to check your own measurements against them.
Why Fit Matters More Than a Weight Rating
Every Ella shell is reinforced with a rustproof stainless steel frame that carries the load through to the floor. Where a rated capacity has been quoted for an individual model it runs far above typical bather weights, with a total capacity of 1,000 pounds given for at least one model. That is why the practical question for a very large bather is not whether the tub will hold you, but whether you will sit comfortably inside it. If you can sit comfortably in the tub, the tub holds you.
Fit comes down to four numbers on the spec sheet: seat width, seat length, interior length and soaking depth. A bather who is much wider through the hips or shoulders than average needs the seat width to clear those measurements with room to spare, and a taller bather needs enough interior length and soaking depth to sit with the water at a comfortable level. Because every Ella tub is a seated design apart from the LayDown family, the seat is where a larger bather feels the difference first, so that is the figure to ask about by name. Your Ella dealer or the team at (800) 480-6850 can give you the figure that applies to a specific model, and the conversation goes fastest when you already have your own measurements in hand.
The Models Built for Larger Bathers
Ella's Bubbles offers 27 different walk-in tub models, and a handful of them are the ones to look at when size is the priority. The Transfer family guide covers the wheelchair-transfer models in detail, and the table below pulls the figures that matter for a very large bather into one place. Where a figure is not printed in Ella's published guides it is marked as not listed, and the team can read it from the current spec sheet for you.
| Model | Overall size | Water capacity | Entry | Best for |
|---|---|---|---|---|
| Big4One | not listed | 127 gallons unoccupied, 75 to 100 gallons occupied | Outward-swing U-shape door | An extra-large single bather who wants a wide, easy entry |
| TransferXXL | 36 by 55 inches | not listed | Extra-wide L-shaped door that swings outward 172 degrees and fits over a toilet | A wheelchair user or any bather who needs extra width and a side transfer |
| ShaK | not listed | not listed | not listed | One of the two largest-capacity models; may call for a dedicated water heater |
| Big4Two | not listed | not listed | not listed | One of the two largest-capacity models; may call for a dedicated water heater |
| Two-seat models | 32 inches wide by 60 inches long | not listed | not listed | A single bather who wants an exceptional amount of room to stretch out; jets included on every two-seater |
| Transfer26 | 26 inches wide by 52 inches long by 40 inches high | 75 gallons unoccupied, 35 to 55 gallons occupied | Same L-shaped Transfer door, 19-inch seat | The compact end of the Transfer family, shown for comparison |
What those differences mean in practice: the Transfer family runs from a compact 26-inch width all the way up to the bariatric TransferXXL, so a bather who found the Transfer26 or Transfer30 too snug has a much wider option with the same over-the-toilet door and the same low threshold, textured floor, grab bars and soft-grip handle. The Big4One takes a different route to the same goal, giving a single bather an extra-large shell behind a U-shape door that swings out and away from the tub interior. The ShaK and Big4Two sit at the top of the lineup for capacity, which is exactly why they carry a water heater note that the smaller tubs do not. And the two-seat models are worth a look even for one person, because 60 inches of length gives a large bather room that a 52-inch tub cannot.
One naming note: the correct model name is TransferXXL. There is no XXXL model in the Ella's Bubbles lineup, and any XXXL printing on an older schematic or document refers to the TransferXXL.
How to Measure Yourself Before You Choose
Ella's fit check is simple and takes a few minutes with a tape measure and a sturdy chair. Do it before you call, and bring the numbers with you.
- Sit in a sturdy chair and measure across your hips at the widest point.
- Still seated, measure across your shoulders at the widest point.
- Measure from the top of your head to your feet while seated, so the number reflects how you will actually sit in the tub.
- Compare those three numbers with the seat width, seat length, interior length and soaking depth on the spec sheet for each model you are considering.
The hip measurement decides the seat width you need, the shoulder measurement decides the interior width at chest height, and the seated height tells you how the soaking depth will feel. If a model clears all three with room to spare, it is a candidate. If one number is close, ask the team about the next size up rather than settling for a tight fit. The model highlights guide shows how Ella describes each model's intended bather, which is a useful sanity check against your own numbers.
What a Bigger Tub Means for Your Bathroom
Weight does matter in one place: the floor. The tub, the water and the bather are carried together, and a bariatric tub filled to bathing depth is a substantial load, so have your contractor check the floor before the tub arrives. This is a normal part of planning any walk-in tub installation, and it is more important with the larger models.
Hot water is the other consideration. A bigger tub holds more water, and that affects your water heater. The Big4One holds 127 gallons unoccupied and 75 to 100 gallons when a bather is seated, with the occupied figure varying by bather size, and the ShaK and Big4Two may call for a dedicated water heater in addition to the household unit. A licensed plumber can look at your existing heater and tell you whether it will fill the tub you are considering at a comfortable temperature.
Door swing shapes the layout too. The Big4One's U-shape door and the Transfer family's L-shaped door both swing outward, away from the tub interior, and the Transfer door is designed to open over a toilet so a wheelchair can pull alongside for a side transfer. Sketch the room with the door in its open position so you know the entry path is clear.
Finally, size does not lock you into a particular therapy package. The TransferXXL, like other Ella models, can be ordered as a soaker with no jets or with therapy features added, and the Transfer family offers three-speed air massage with Auto Purge, hydro massage with an in-line water heater and intensity dial, foot massage jets and ozone sterilization, with dual 2-inch drains for fast gravity draining. The model comparison guide walks through how door style, seating and depth vary across the full lineup once you have narrowed the size down.
Related Guides
- Ella Big4One vs TransferXXL: which bariatric tub suits a broad bather?
- Ella ShaK 36x72: The Largest Single-Seat Walk-In Tub
- Ella Big4Two 36x80: The Largest Two-Seat Tub, on Video
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Chapters in this video
- 0:00 XXXL Transfer Tub Overview The video introduces the Ella's Bubbles XXXL Transfer tub, highlighting its extra-large L-shaped door for easy access.
- 0:25 Safety Features and Design The tub features a low threshold, grab bars, a secure locking mechanism, and a textured floor for enhanced safety.
- 0:48 Fast Fill Faucet and Space The five-piece fast-fill faucet quickly fills the tub, and this model offers generous leg and hip room.
- 1:09 Therapeutic Massage and Draining The tub includes 3-speed air massage, hydro massage with an inline heater, foot massage jets, and dual drain technology for fast draining.

Chapters in this video
- 0:00 Introducing the XXXL Transfer Tub This chapter introduces the XXXL Transfer tub, highlighting its extra-large L-shaped door and soft-to-the-touch surface for comfortable entry and exit.
- 0:25 Safety Features and Jetting Design This chapter showcases the low threshold, grab bars, leak-proof seal, textured floor, and innovative jetting design of the tub.
- 0:48 Fast Fill Faucet and Tub Dimensions This chapter details the fast-fill faucet set with a hand shower and provides the generous interior dimensions of the tub for a deep soak.
- 1:38 Exterior Measurements and Massage Functions This chapter provides the exterior measurements of the tub and explains the three-speed air massage with auto purge and therapeutic hydro massage functions.
- 2:07 Foot Massage and Dual Drain Technology This chapter highlights the strategically placed foot massage jets and the industry-best exclusive dual drain technology for fast, efficient draining.

Chapters in this video
- 0:00 Introducing The Big4One Tub Ella's Bubbles introduces the Big4One, one of the largest walk-in tubs available on the market today.
- 0:13 Spacious Design For Comfort The Big4One tub is designed with comfort in mind, accommodating extra-large bathers with its generous dimensions.
- 0:36 Safety Features For Easy Access The tub features a low threshold, sturdy grab bars, and textured slip-resistant floors for easy and safe entry and exit.
- 0:54 Innovative Jetting Design Ella's walk-in tubs are famous for their innovative jetting design, covering parts of the body competitors often miss.
- 1:27 Independent Foot Massage Feature The Big4One also offers an independent foot massage, an exclusive Ella's Bubbles feature for an invigorating hydro foot massage.