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- Danube Grand Prix – Premium Swim Spa

Danube Grand Prix – Premium Swim Spa
Experience ultimate fitness and recovery with the Danube W-Flow Grand Prix swim spa. It features a redesigned layout that expands the swim area by over 50 cm, Grand Prix multiport jets for post-swim muscle relaxation, 29 PeakLife hydrotherapy jets, twin waterfalls, and a smart audio system.
£36,546 Original price was: £36,546.£28,305Current price is: £28,305.
Spread the cost and pay from £589.69 per month, over 24 months with a 50% Deposit and 0% APR with flexible finance* View Representative Example
- Est. Delivery: 12 Weeks (Made to Order)

Description
Features
Specifications
Accessories
Delivery
Installation
Finance
Description
Features
Discover the Danube Grand Prix’s Features
AquaSoul™ Pro 4.1 Sound System
The AquaSoul™ Pro 4.1 POP-UP is a 4.1 surround sound system with a 120W amplifier and Bluetooth, providing high-quality audio for your hot tub. It includes a 100W subwoofer and four speakers for an immersive experience.
Scandinavian Insulation
The Wellis Scandinavian insulation system uses multi-layered foam and foil to maximise heat retention in hot tubs. This minimises heat loss, reducing energy use and running costs for efficient water temperatures, even in cold climates.
W-Flow Swim System
The Wellis W-Flow system is a high-performance, counter-current technology for Wellis swim spas. It creates an adjustable flow for continuous swimming and includes programmable workouts, turning a compact spa into a versatile training pool.
Energy Saving W-EC Pump
The Energy Saving W-EC Pump is a quiet, long-lasting circulation pump for hot tubs and spas. It has a low 0.25 kW/h power consumption, making it an eco-friendly and cost-effective component.
In-line WIS
The InLine WIS is an automated Water Improvement System for hot tubs, ensuring crystal-clear, hygienic water. It monitors and adjusts water chemistry, simplifying maintenance and minimizing chemicals for a healthier, more relaxing soak.
Infinity Jets
Our infinity jet provides a unique massage, swirling in a soothing figure-of-eight to caress a wider area. It’s designed to elevate your relaxation, making every spa moment truly blissful.
Lighting Jets
Our new lighting jets, exclusive to the Signature Range, transform your spa with a dazzling water and light display. The glowing jet edges add magic to your spa evenings, offering a stylish way to unwind.
WellisGuard™ System
This WellisGuard™ System advanced system, when combined with the correct amount of chlorine, provides water that is 20% fresher than traditional systems. It also ensures the water in your swim spa remains perfectly clear, fresh and ready to dive into.
Crystal Clean System™
The Crystal Clean System provides pristine, safe water via advanced filtration and UV-C sanitisation. It minimises chemical use, removing impurities, bacteria, and viruses for a healthier, low-maintenance hot tub.
Massage Jets
Massage jets provide targeted hydrotherapy. Strategically placed, they use powerful water flow with adjustable intensity to ease muscle tension and promote relaxation. These jets enhance the spa experience, turning soaks into therapeutic sessions for stress relief.
SmartTouch™ Control Panel
An intuitive touchscreen simplifies hot tub control, allowing you to effortlessly manage temperature, jets, and lighting. Easily access advanced features like scheduling and energy-saving modes for peak efficiency. *Not available on Riverjet models.
StarLight™ Corner Lighting
Create a celestial oasis with StarLight™ corner LED lighting for your hot tub. These strategically placed lights cast a mesmerising glow, producing a unique and relaxing ambiance that adds a touch of magic to your experience.
Lighting Waterfall
Lighting fountains and waterfalls transform your spa into a personal oasis. Their soft, colourful lights and gentle, soothing sounds create visual and auditory tranquility, perfect for unwinding after a busy day.
Specifications


Danube Grand Prix Specifications
| Weight | 1000 kg |
|---|---|
| Dimensions | 453 × 235 × 147 cm |
| Jets | 29 |
| Seats | 2 |
| Insulation | Scandinavian Insulation System |
| Power Requirement | 48A Supply Required (Lights, Heater & Sound System) |
| Circulation | Energy-Saving W-EC Circulation Pump (0.25 kW) |
| Water Volume | 5900 |
| Connectivity | Smartphone App with WiFi |
| Reinforcement | Fiberglass Reinforcement |
| Control Panel | SmartTouch |
| Filtering | Crystal Clean System, Ozmix™ System |
| Cabinet | Full Inground – ABS Black cover, LifeSide Semi In-Ground Grey (Scandinavian Insulation) |
| Sound System | AquaSoul™ Max 4.1 |
| Lighting | Corner Lighting, Lighting Life Jets |
| Hydromassage Pump | Turbine 215 m³/h (Swim Pump), 1 x 3 HP Double-Speed (230V/50Hz), 1 x 2 HP Double-Speed (230V/50Hz), 2 x 2 HP + Circulation Pump |
| Frame | Stainless Steel |
| Water Diverter | None |
| Width (CM) | 235 |
| Depth (CM) | 453 |
| Dimensions | 235 x 453 x 147 |
*Actual product may vary slightly from images shown. We are not liable for any errors or omissions in the product specifications. For detailed and up-to-date information, please refer to the product manual.
Accessories
Elevate Your Experience…
A swim spa provides a great escape, but a few well-chosen accessories can transform your experience from good to truly exceptional.
Delivery
Delivery of your Hot Tub, Spa or Swimming Spa
From our warehouse to your home, Johnsons Wellness takes the hassle out of hot tub and spa ownership with our seamless delivery and professional installation services. We handle every detail, ensuring your new spa arrives safely and is set up perfectly, so you can start enjoying your personal oasis without delay.
With all purchases and once your hot tub arrives at one of our national warehouses, we’ll contact you personally to coordinate a convenient delivery time and bring it directly to your home using our own specialised logistics. We handle the transportation, so you don’t have to worry about a thing.
In some cases and with our River Range of swim spas, crane assistance may be necessary for safe and efficient placement. Our team will assess your site during the free home survey and advise if a crane is required. We can arrange this service for you for an additional fee.
When can I expect my order to arrive?
Depending on type and availability of the model, you can expect the following:
- New Models (In Stock, UK) – We can usually have these models ready to dispatch from our UK warehouses in 3 to 6 weeks; this timeframe includes quality assurance, preparation and a home visit to inspect and survey your garden or space before delivery and installation.
- New Models (In Stock, EU) – We can usually have these models ready to dispatch from our EU manufacturing facility in 6 to 9 weeks; this timeframe includes quality assurance, preparation and a home visit to inspect and survey your garden or space before delivery and installation.
- New Models (Made to Order, Backorder) – We allow approximately 12 weeks (depending on the season); this timeframe usually includes manufacturing, quality assurance, shipping and a home visit to inspect and survey your garden or space before delivery and installation.
- Ex-display/Clearance Models (In Stock, UK) – We allow 2 to 4 weeks to dispatch showroom models; this timeframe includes thorough quality assurance, testing and inspection, preparation and a home visit to inspect and survey your garden or space before delivery and installation.
In all cases, this type of model will be display with the product and stock information.
Installation
Installing your Hot Tub
To ensure a smooth installation, please prepare a solid, level base and ensure the necessary electrical connections are ready and completed by a qualified electrician, our installation team will then install and connect your hot tub to your water supply, before thoroughly commissioning it to ensure all systems are functioning correctly.
If you’d prefer a completely hassle-free experience, we can also manage the base preparation and electrical work for an additional fee, leaving you to simply relax and enjoy your new hot tub.
In all cases, we’ll discuss these options with you during our free home survey, so that there are no surprises and no hidden fees; you can also add the required packages to your order below:
Finance
Payment & Finance Options
We understand that investing in your well-being is important, and we want to make it as accessible as possible.
That’s why we offer a variety of flexible payment options for our range of wellness products, including hot tubs, saunas and spas. Whether you’d prefer to pay in full, take advantage of our convenient finance plans, or secure your purchase with a deposit, we’re here to help you find a solution that suits your budget.
Our aim is to ensure you can create your perfect relaxation space without financial stress, and so offer the following options:
- 50% Deposit – To order your hot tub or spa, the remaining 50% due before delivery.
- Full Payment – To order and secure your hot tub or spa.
- Finance – 0% APR* (12 or 24 month agreement) with a minimum 50% deposit; available on all hot tubs, swimming spas, home saunas and combination deals; subject to status and affordability.
- Finance – 9.9% APR* (12 or 36, 24 month agreement) with a minimum £500 deposit; available on all hot tubs, saunas and swim spas. subject to status and affordability.
Ways to Pay – Online and Instore
- Stripe: We accept all major credit and debit cards through Stripe, a secure online payment gateway. Your card details are encrypted and processed securely by Stripe, and we do not store any of your sensitive payment information on our servers.
- Novuna Finance: For customers looking to fund their purchase through finance, we also have a finance gateway available on checkout for specific wellness products and services; simply select this option and you will be directed to our finance provider to complete a credit check and get an instant decision.
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