key: swim-spa

key: rio-grande-2019-w-flow

key: swim-spa

key: rio-grande-w-flow

PRODUCTS/Swim spa/Swim spa/Rio Grande W-Flow

Rio Grande W-Flow


The new Rio Grande W-Flow swim spa is the result of a long development process. It is the perfect combination of a well-equipped spa and a swimming pool used as gym equipment suitable for a complete workout. The inner width of the swim area is almost 2 meters, its length is 314 cm.



NEW W-Flow System

In a traditional swim spa, the user has to switch on/off the pumps manually for finding the proper water flow which fits their fitness level. The Rio Grande swim spa is equipped with brand new swim software. Combining this and the new W-flow system the new Rio Grande became a professional training appliance. 
The user can choose six-speed levels from the slowest, most comfortable „floating” to the hardest exercise. Similarly to a modern treadmill, you can predefine the swimming speeds one after another, so you can insert slower stages between the swimming sprints.
The flow rate can be adjusted 0.4-2.5 km / h.

    • It can deliver twice as much water against traditional types of 180 m3/h.

    • The width of the water flow is only 50-60 cm.

    • The difference between water flow directions and the centerline of the spa is 0° therefore swimming is perfectly balanced.

    • Mechanical elements are separated from the hydro-space, so any mechanical repairs can be done without sluicing the water.

    • The heat pump connection in the swim spa is fixed and equipped with In.Grid system - consequently, the heating cost can be reduced to one-third of the electrical heating.

    • Both the massage and the swim half can be separately controlled with the in.touch 2 application.

    • Self-drain function - the swim half can be drained by the circulation pump: 10 m3 in 33 mins.



Learn more about the newest innovation of Wellis!

Thanks to the several training sessions it is suitable for professional swimmers and beginners too.
You can experience endless swimming with this new fitness machine. It’s like having your own coach to watch over you. The training session can be customized by setting flow intensities, durations, and color indicators. Before choosing a training drill, we recommend adjusting the parameters. Touch the settings icon on the right icon wheel. From there, you can access 6 different parameters.

A swimming workout executed at a constant intensity for the entire set duration.

A swimming workout executed at high and low-intensity intervals of equal step time.

A series of equal steps at random intensities.

A swimming workout executed at two successive steps at high intensity for one step at low intensity.

A pyramid program where the intensity will progressively increase until a maximum intensity level is reached. It will then decrease progressively to end at low intensity.

You can create custom workouts.


Dimensions 6000 × 2350 × 1470 mm
Reclining / Sitting places swim area / 1 reclining-, 5 sitting places
Net weight (kg) / Water amount (l) 1,200 kg/6,890 l
Frame Stainless steel

1×35A 230V/50Hz opt.

1x20A 230V/50Hz min.

Swim spa

1×48A 230V/50Hz opt.

1x35 230V/50Hz min.

Total number of jets 40 pcs
Illuminated fountain 3 × 3 pcs
Waterfall 1 pc
Hydromassage pump 2 x 3 HP, single-speed + Circulation pump
Counter-current pump 3 x double speed (Gecko) + Circulation pump
Filtration 3 pcs antibacterial filters
Water sanitization 2 pcs UV-C lamps
Chromotherapy LED illumination 16 + 18 pcs LEDs
Sound system Aquasoul™ Pro 4.1
SmartPhone app - wifi connection Yes
Swimming stick yes
Heat exchanger preparation yes
Thermo cover yes
  The Rio Grande swim spa is available with a semi-cabinet - what makes it possible to sink the spa halfway only in the ground without any concrete preparation.



Wiring diagram

Price quote request form

Available options for this products

Rio Grande W-Flow

Semi-inground side panel

The Wellis swim spa models are also available as a semi-recessed design, which makes them possible to partially sink the tub into the ground without constructing a concrete base.
Rio Grande W-Flow


Aaquabike is recommended for anyone in need of general fitness training, a rehabilitation workout, or who simply enjoy the fun of cycling itself.
Rio Grande W-Flow

Rowing equipment

The expander combined with paddles offers the experience of real rowing. At the same time, the expander alone can be used for a number of different fitness trainings.
Rio Grande W-Flow

Swim spa stairs

Dimension with rail: 147x165x93.5 cm | Dimension without rail: 147x77x88 cm
Rio Grande W-Flow


The expander combined with paddles offers the experience of real rowing. At the same time, the expander alone can be used for a number of different fitness trainings.
Rio Grande W-Flow

Scandinavian insulation

For extreme climates, we offer the option of our “Scandinavian” insulation. This has a much higher insulation rating with triple layer Polyfoam panels and additional under spa rim and floor pan insulation. Only recommended for extreme sub-zero temperatures and not for more temperate climates.
Rio Grande W-Flow

Illuminated jets (up to 50 jets)

LED lighting chromotherapy hydromassage jets up to 50 pcs jets.




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