What a Mesa Combo Actually Is
A Mesa steam shower tub combo packs three fixtures into one prefab unit: a jetted bathtub, a shower with rainhead and handheld, and a steam session. The cabin is sealed tempered glass over a reinforced acrylic shell, with a 3kW steam generator tucked behind the back wall. You soak in the tub, drain it, stand up, switch the control panel to steam, and the generator fills the cabin with wet heat. Rinse cold from the handheld. All in the same 5-foot-ish footprint a standalone tub would eat up anyway.
The reason people buy a combo over separate fixtures is simple: in most bathrooms you have to pick between a tub and a shower. A combo doesn't make you choose. If you're remodeling a master bath and want a soak AND a steam session without running two separate plumbing installs and two separate drains, this is the category. If you've got a big bathroom with room for a freestanding tub on one wall and a walk-in steam shower on another, separate units might still win — a combo is a space-saver first.
The Mesa Combo Lineup
Every combo on this page is built by Mesa and runs the same core spec — a 3kW steam generator, tempered glass, chrome fixtures, body jets, rainhead, handheld, FM radio, aromatherapy reservoir, and LED chromotherapy lighting. What changes between models is the tub, the footprint, the glass tint, and on one model, the handed orientation.
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Mesa WS-501 Yukon: The entry combo. Compact 59" x 33" footprint, integrated jetted tub, 3kW steam. Ships in white or gray interior. The pick for a smaller master bath where a full walk-in combo won't fit — see the WS-501 Yukon product page for the full spec sheet.
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Mesa WS-608A / WS-608P: Rectangular walk-in combo with a jetted tub. 608A ships with clear glass, 608P with blue-tinted glass — same specs otherwise. One of the most popular combos in the line.
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Mesa WS-609A / WS-609P: A walk-in combo with a slightly different interior layout, running 2 acupuncture jets plus 6 whirlpool jets on the 3kW steam system. 609A clear glass, 609P blue.
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Mesa WS-701A: The largest combination Mesa offers — a 66" x 66" corner unit with a deeper tub and full rainhead. Most interior space in the lineup.
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Mesa WS-702A: Walk-in combo positioned between the 608 and the 701 in size.
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Mesa WS-807A: 67" x 35" walk-in combo, a fully loaded unit with an extended tub length.
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Mesa WS-905: The only combo on this page that ships in a handed left-or-right configuration. Pick based on which side your plumbing supply and drain sit on.
The tub, layout, glass tint, and footprint are what differ between them. The feature stack is standard across the line, so you're not trading away steam performance or chromotherapy whichever one you land on. For the full WS catalog, the steam-only corner and walk-in units live on the parent Mesa steam shower collection.
Combos vs the Standalone Tubs on This Page
A few products here aren't steam cabins at all — they're Mesa's standalone jetted tubs. The Monterey BT-0502 freestanding tub is a 71" x 60" x 28" dual-therapy soaker with a deep bathing well. The BT-084 corner tub seats two and runs both air and whirlpool jets. The BT-150150 is a side-by-side two-person whirlpool. None of these include a steam cabin — they're here for buyers who want the jetted soak and already have a separate shower. If steam is the whole point, stick with the WS combos above. If you just want a high-end jetted bath, these are the standalone option.
Whirlpool Jets vs Air Jets
The tub side of a Mesa combo uses one of two jet systems, and they feel genuinely different:
Whirlpool (water) jets pump the tub water through a pump and back out through wall-mounted nozzles. The flow is focused and massaging, with adjustable pressure — the classic jetted-tub feel. Good for sore muscles and post-workout recovery. Most Mesa combos use whirlpool jets, and some pair them with a couple of air jets (the WS-609 runs 6 whirlpool plus 2 acupuncture).
Air jets push pressurized air through pinhole outlets in the tub floor and sides. The result is finer, bubblier, more diffuse — closer to a champagne soak than a pressure massage. Air systems are easier to maintain (no standing water sitting in pump lines) and quieter. The BT-084 corner tub runs a combination air-and-whirlpool system.
If pressure-point massage is the priority, go whirlpool. If softer bubbles and lower maintenance matter more, go air. Confirm the exact jet count and system on each product page before ordering.
Configurations: Corner, Walk-In, Left vs Right
Most Mesa combos are walk-in rectangular — straight back wall, single-panel or bypass glass front, tub across the back. The WS-501 Yukon and the WS-701A are corner-format units that tuck into a 90-degree bathroom corner.
Handed orientation matters on the WS-905 specifically. "Left" or "right" refers to which side the plumbing supplies and drain sit on when you face the unit. Match the orientation to your existing bathroom plumbing before you order — swapping handedness after the unit arrives isn't practical. The other combos are either symmetric or ship in a single configuration.
Plumbing and Drains
A combo needs more plumbing than a straight steam shower because the tub adds its own supply and drain. Plan for three things:
Tub supply: Dedicated hot and cold to the tub faucet, typically 1/2" lines, 30–70 PSI.
Shower supply: Same 1/2" hot and cold feeding the rainhead, handheld, and body jets.
Drains: The tub drain and the shower floor drain are separate — most combos run two 2" drain lines. Some units combine through a single P-trap; confirm on the product page. The tub drain has to clear the tub's internal height, and the shower drain sits flush with the floor pan.
If you're converting a bathroom that already had a separate tub and shower, the rough-in is often close to where you need it. New construction is more involved.
Electrical Requirements
Electrically, a combo needs the same dedicated 220V/240V circuit with a 20–30A breaker as a standalone Mesa steam shower — the 3kW generator will not run on a standard 110V outlet — plus separate wiring for the tub pump on whirlpool models, which typically runs on its own GFCI-protected circuit. The breaker size, wire gauge, and circuit count given here are general reference only. Always consult a licensed electrician before any electrical work — requirements vary by local code and jurisdiction, and a licensed electrician must verify the specifics for your installation. Our electrical requirements guide walks through what to plan for, but it doesn't replace a pro's assessment of your home.
Who a Combo Is For
A Mesa combo makes sense if you're remodeling a master bath and want both a soak and a steam session without doubling up the plumbing rough-in, or if space is tight — a 60-ish-inch combo replaces a separate tub-plus-shower layout that would otherwise need 90"+ of wall. It's also the move if you want the full feature stack (steam, jets, rainhead, chromotherapy, aromatherapy) in a single install instead of buying and wiring four things.
It's probably not the right call if you have a large bathroom with room for a freestanding tub on one wall and a separate walk-in steam shower on another — two dedicated units give you more flexibility and better individual feature sets. In that case, pair a standalone unit from the steam shower category hub with one of the jetted tubs on this page, or look at the rectangular steam shower lineup if you want a flat-wall walk-in.
Installation and Assembly
Combos are more complex to install than straight steam showers because of the added tub plumbing and the tub pump circuit. Budget for it: plumbing rough-in for a combo typically runs 1.5x–2x a straight steam shower. Electrical is similar if you already need a dedicated 220V line for the generator.
Assembly itself is comparable. Mesa units ship as pre-assembled wall and base panels that bolt together on-site — two people can usually get one together in 4–6 hours once the electrical and plumbing rough-in is done. The tub and cabin base arrive as one piece; walls and glass attach on-site. All hardware ships with the unit, and there's no tile work, vapor barrier, or grout.
How to Pick a Mesa Combo
Start with footprint. Corner (WS-501 Yukon or the larger WS-701A) or walk-in rectangular (the 608, 609, 702, 807). Then pick your jet system — most are whirlpool; confirm on the specific page. Then handed orientation if you're looking at the WS-905. Then glass tint, clear or blue, on the 608 and 609. The 3kW steam, body jets, rainhead, FM radio, aromatherapy, and chromotherapy come standard regardless, so the decision is really about size and tub feel, not feature trade-offs.
If Mesa's combo lineup doesn't match your space, the broader steam shower category hub covers both Mesa and Ariel Platinum across corner, walk-in, and combo formats, and the full Mesa WS series covers every steam-only configuration.
