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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 79 in, its length is 123.6 in.



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 47 550 Gallons per hour.
    • The width of the water flow is only 20-23 in.
    • 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: 2600 Gallons 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 19′ 8″ × 7′ 8″ × 4′ 9″
Seats 1 reclining place
5 sitting places
swim area
Net weight/ Water volume 3 043 lbs / 1 821 gallons
Frame Stainless steel
Side cover HorizontSide™ UV-proof wood textured
Reinforcement Fiberglass reinforced
Insulation Polyfoam (1.4 in/0.4 in)
Drains 2 pc D50 ball valve
Hydromassage 240V 60Hz 42A
Swim Spa 240V 60hz 53 A
Control box Gecko (IN.YE-3 + IN.YE-8)
Control panel 2 x SmartTouch (K-1000)
Total number of jets 41 pcs + W-Flow system
Laminar fountain jets 3 X 3 pcs
Waterfall 1 pc
Heater 2 x 4 kW
Pumps (hydro massage) 2 pcs 3HP 1 speed + Circ. pump
Pumps (swim spa) 3 pcs 3HP 2 speed + Circ. pump
Filtration 2 pcs + 1 pc Superfine paper filters
Water sanitization 2 pcs UV-C + Ozone
LED lights 16 + 18 pcs LED
+ illuminated control valves
Headrests 3 pcs
Sound system AquaSoul™ Pro 4.1
SmartPhone app – wifi connection yes
Thermo cover yes (standard 5-3.5 in)
Liquid aromatherapy yes
Swimming stick yes
Heat exchanger preparation yes
  The Rio Grande swim spa is available with semi-cabinet – what makes possible to sink the spa halfway only in the ground without any concrete preparation.


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