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Mesa is a brand of steam shower systems — enclosures, steam and jetted tub combinations, walk-in models and whirlpool tubs — sold by Mesa Steam Showers. Every Mesa steam shower Topture carries is built around the same core: a 3kW steam generator, tempered glass, acupuncture body jets, and a rainfall showerhead with a handheld shower. Body-jet count, aromatherapy and lighting vary by model, so check the product page for those. Either way, the generator, jets and showerheads arrive as one prefabricated unit instead of being specified piece by piece for a tiled-in custom build.
The design language is consistent too: white or gray acrylic back panels, clear or blue-tinted tempered glass, chrome hardware, and a black control panel with backlit buttons. If you've seen one Mesa in person, you know what to expect from the rest.
The WS series splits into four groups by shape and function. All specs below are for the standard 3kW generator; dimensions vary by model.
Corner units (300-series and 9090): Pentagon footprint, two glass walls, designed for a 90-degree bathroom corner. The most space-efficient option and the lowest price point in the line. The WS-9090K is the entry corner unit, in blue glass. The WS-300A, WS-301/WS-301A and WS-302A are the 300-series corner steam showers — each with slightly different door and interior configurations but shared dimensions and features. If you have a small bathroom with a spare corner, start with these.
Walk-in rectangular units (500 and 800-series): Straight back wall, single-panel or bypass glass front, flat-wall installation. The Mesa 500XL is a dedicated walk-in with white and gray interior options. The WS-803L is a larger walk-in with a deeper footprint. The Mesa 802L is a left-hand unit — confirm your plumbing side before ordering. Walk-ins give you more headroom and elbow space inside the cabin.
Tub combos (600, 700, 800 and 900-series): A full steam cabin with an integrated whirlpool or air-jet tub inside the footprint. The WS-608A, WS-609A, WS-702A, WS-807A and WS-905 (left/right configurations) all pair steam with a jetted soak. See the steam shower tub combo collection for the full combo lineup with specs.
3kW steam generator: This is the Mesa standard across the line; Mesa's spec sheets rate it for about 75 cubic feet of cabin. The generator sits in a dedicated compartment behind the back wall and is serviceable by removing an access panel. The control panel's timer sets the session length; Mesa's manuals list a 45-minute default on several models.
Tempered safety glass: Every Mesa enclosure uses tempered glass. Tempered means the glass is heat-treated so it shatters into small, blunt pieces if it ever breaks — a safety requirement on all shower enclosures. Available in clear or blue tint. Blue adds privacy and mutes the visual footprint in the bathroom; clear keeps the space feeling open.
Body jets: Acupuncture-style body jets — six on most models, with different counts on the WS-608, WS-609 and WS-803L — arranged vertically down the back wall. They run on the same water supply as the shower, so usage alternates with the rainhead rather than running simultaneously.
Rainhead and handheld: Every Mesa steam shower Topture carries, corner units included, has a rainfall showerhead plus a handheld shower.
FM radio, aromatherapy and lighting: Many Mesa models have a built-in FM radio. Aromatherapy and the type of lighting vary by model, so check the product page if either matters to you.
The back and side walls are reinforced acrylic with a smooth gel-coated interior finish — white is standard, gray is available on the 500XL. Acrylic is warmer to the touch than tile, easier to clean, and doesn't have grout lines that trap mildew. The glass panels attach with stainless steel hinges and gaskets. The floor tray is molded acrylic with a reflexology foot massage pattern and a centered 2" drain.
Every Mesa WS unit needs three things wired and plumbed before it arrives:
Dedicated 220V/240V circuit, hardwired by a licensed electrician. This is the non-negotiable step. The generator will not run on a standard 110V outlet, and tub combos with a pump need a second circuit. Breaker size, conductor size and circuit configuration must be taken from the installation manual for the specific model.
Hot and cold water supply (1/2" lines) and a 2" drain with P-trap. Standard bathroom rough-in; check the water-pressure range in the model's manual. If you're replacing an existing shower, the lines are often already in position.
Flat, level floor with a water-resistant surface. Mesa units ship as pre-assembled wall and base panels that bolt together on-site. Two people can typically complete assembly in 4–6 hours once the electrical and plumbing rough-in is done. No tile work required.
Both brands sell through the same channels and run similar feature sets, but the differences matter if you're cross-shopping. Most Ariel Platinum models run a 6kW steam generator against Mesa's 3kW. Ariel Platinum has a more architectural look — squared edges, larger ceiling rain panels on models like the DZ972F8, and touchscreen control panels on higher-end units. Mesa prices lower across equivalent configurations and has more SKU variety in the corner and tub combo categories. Pick Mesa for the broader model selection and the lower price; pick Ariel Platinum for the larger generator and sharper styling.
Size the corner or wall first — if you have a small bathroom with an open 36"–48" corner, a 300-series or 9090 is the fit. Flat-wall bathroom over 60 sq ft: a 500XL or 802L walk-in gives you room to move. Want the soak option: any of the WS-608, WS-609, WS-702, WS-807 or WS-905 combos, all in the combo collection. Confirm the orientation against your plumbing side before ordering (the WS-802L is a left-hand unit; the WS-905 comes in left or right) — swapping isn't always possible after the fact. Then check the product page for the features that vary by model: body-jet count, aromatherapy and lighting.
If Mesa doesn't match what you're looking for, the parent steam shower category hub covers both brands, and the bathroom collection pairs tubs, vanities, and tub-only models alongside.
Topture is an authorized Mesa retailer and sells Mesa's corner, walk-in and tub-combo steam showers and its standalone whirlpool tubs. Because Topture also carries Ariel Platinum, you can compare the two brands' layouts, generator sizes and prices before you order, check each model's electrical and plumbing requirements against your bathroom, and get help with delivery and warranty coordination after the unit arrives.
Topture is an authorized Mesa retailer. View Topture’s Mesa retailer relationship record