JJSPA Alpha 923 5-person hot tub
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Technical data
- Capacity: 5 persons (3 seats + 2 loungers)
- Number of hydromassage jets:
62 hydromassage jets and 10 air jets - Hydromassage pump: 3 × 2.2 kW
- Dimensions: 2300 × 2300 × 970 mm
- Weight: 457 kg
- Water capacity: 1500 L
- Lighting: RGB LED (multicolor)
- Heater: 3 kW
MATERIALS
- Cabinet/Casing: plastic - wood imitation
- Frame: Stainless steel (INOX)
- Shell: American-made acrylic – USA Acrylics
- Base: ABS
CONNECTION REQUIREMENTS
- Conductor 3 ×4 mm² and 25 A class C fuse or
- Conductor 5 × 2.5 mm² and 3 × 16 A class C fuse*
* Please consult with technical service before preparing the installation.
Lighting
- Underwater RGB LED light, large: 1 pc.
- Underwater RGB LED spotlights: 23 pcs.
- RGB LED waterfall lights: 1 pcs.
- RGB LED drink holder lights: 4 pcs.
- RGB LED exterior edge lights: 4 pcs.
Nozzles
- Airblower: 10 pcs
- 1” PointJET: 46 pcs.
- 2,5” Twin SwirlJET: 4 pcs.
- 3,5” Directional PointJET: 2 pcs.
- 3,5” Twin SwirlJET: 9 pcs.
- 5,5” VerticalJET: 1 pc
PUMPS AND ELECTRONICS
- Circulation pump: 1 x 0.35 kW Silence & Energy saver
- Massage pump: 3 x 2.2 kW with ceramic seal
- Turbo air blower: 1 x 0.7 kW
- Balboa BP2100 control system
- Balboa ST4 control panel
- 3 kW Balboa heater M7 Millenium
Filtration
- 2 × cartridge filter
- Ozone generator: Ozone Fresh 1 x 50mg / h
- UV sterilizer Pro-UV
INSULATION
- ThermaCoat Premium foam
- Thermal cover and base
- FoilGuard insulating foil
pool equipment
- Thermal cover
- Stairs
- Base
- WiFi
- Bluetooth
- Speakers with active subwoofer - 2 pcs
- EVA headrests - 3 pcs.
- Large waterfall
- Skimmer
- Drink holders - 4 pcs
- Water care set
- Aroma function
hot tub - Relaxation for the Whole Family
The Alpha 923 model is one of the most technologically advanced hot tubs on the market. It features 3 seats, 2 loungers, and 6 different types of massage jets (72 jets in total).
Operating the spa is simple and intuitive thanks to the Balboa touch screen display. An efficient heater and a powerful filtration system ensure the water is always ready for use, while RGB LED lighting creates a pleasant, atmospheric ambiance during evening soaks.
Types of jets in the Alpha 923 hot tub
Directional PointJET
WATER STREAM DIRECTION ADJUSTMENT
You can adjust the direction of the water stream in the Directional PointJET nozzles to achieve the optimal massage effect.
PointJET
Intensive Point Massage
PointJET nozzles deliver targeted point massage using small but powerful water jets for a pleasantly loosening massage.
Twin SwirlJET
Rotating Nozzle
The dual stream of the rotating Twin SwirlJET nozzle enables a powerful, deep tissue massage.
Air Blower
Bubble Massage
AirBlower nozzles pump air to provide a gentle bubble massage, with an optional aroma function.
6 types of jets – precise massage for every muscle group
The jets in the JJSPA Alpha 923 hot tub are intelligently distributed across all seating and lounging positions. Featuring 6 distinct jet types in various sizes, this model delivers a targeted massage for specific muscle groups, ensuring a comprehensive experience for the neck, shoulders, arms, back, and legs.
Crafted from premium-quality materials, the jets are built for exceptional durability. A unique feature of JJSPA hot tubs is the removable jet design, allowing you to easily swap jets of the same size and customize the massage to your personal preference. Feel free to interchange the Directional PointJET with the rotating Twin SwirlJET to create a tailored massage experience suited exactly to your needs.
BALBOA™ Electronics
The Alpha 923 hot tub is powered by Balboa Water Group electronic components — the world's leading manufacturer of control systems for jacuzzis and spa baths. The Balboa BP2100 control unit guarantees reliable, precise management of all functions throughout years of everyday use.
Water temperature is kept at its ideal level by the Balboa M7 Millennium heater — a 3 kW stainless steel INOX heater equipped with two independent temperature sensors that measure water parameters during flow. The system responds instantly to any change, keeping the jacuzzi temperature consistently accurate regardless of external conditions.
Everyday use of the spa bath is effortlessly intuitive thanks to the Balboa ST4 touch control panel — elegant, responsive, and designed with simplicity in mind. From a single screen, you can set the water temperature, programme the massage jets, schedule filtration cycles, set a timer, and control the music system. The panel features a lock function to prevent unauthorised access — a practical and reassuring feature for families with children.
Your Smart hot tub – Right at Your Fingertips
Literally. Through the built-in WiFi module, you can connect the JJSPA Alpha 923 to your smartphone and manage all its functions remotely — from anywhere. Pre-heat the water before you arrive home, check the filtration status, or change the massage programme without leaving your chair. The experience is completed by Bluetooth speakers with a built-in amplifier, turning every soak into a private spa experience with your favourite music.
JJAQUAPURE WATER TREATMENT SYSTEM
The JJAquaPure system built into the Alpha 923 jacuzzi combines two complementary disinfection technologies that together eliminate contaminants more effectively, with minimal use of chemicals.
The Ozone-Fresh ozone generator introduces dissolved ozone directly into the water circulation, where it acts as a powerful, natural disinfectant. Ozone breaks down bacteria, viruses, and algae without leaving any harmful by-products. The results are immediate: the jacuzzi water is crystal clear, free from unpleasant odours, and chlorine consumption is reduced to an absolute minimum — meaning less skin and eye irritation every time you use the hot tub.
A second layer of protection is provided by the PRO-UV system — ultraviolet disinfection that destroys the DNA of microorganisms (including those resistant to chlorine-based treatments), preventing them from reproducing. The UV method is completely chemical-free, does not alter the composition or scent of the water, and represents the standard used in professional spa facilities and public swimming pools worldwide.
Colour Ambience – Light for Relaxation
The RGB LED lighting is more than a design detail. Inspired by the idea of chromotherapy, it lets you set the colour mood of your relaxation session, so your spa moment feels even more personal.
RED: A warm, vibrant shade that creates an energising, lively atmosphere.
YELLOW: A bright, sunny colour that brings a cheerful, uplifting and cosy feel.
BLUE: A cool, calm colour that creates a peaceful setting for unwinding at the end of the day.
GREEN: A fresh, natural shade that brings balance and a calm feeling to the room.
PURPLE: A soft, mysterious colour for moments of quiet reflection and mindful relaxation.
TURQUOISE: A light, refreshing shade that combines calm and clarity, ideal for deep relaxation.
The coloured lighting is an atmospheric feature designed to enhance your comfort. It is not a medical treatment.
BUILT TO LAST
The Alpha 923 hot tub has been designed for years of trouble-free operation — both in residential settings and professional wellness facilities. The structural framework is built from INOX stainless steel pipes, providing exceptional rigidity and corrosion resistance regardless of the environment, whether installed on a terrace, in a garden, in a wellness zone, or indoors.
The exterior cabinet is crafted from UV-resistant synthetic material that will not fade, crack, or deform under prolonged sun exposure or fluctuating temperatures — maintaining its appearance season after season.
The spa shell represents a category of quality all its own — manufactured from American acrylic (USA Acrylics), widely recognised as one of the most durable and resilient materials used in the production of spa baths and jacuzzis. This acrylic offers exceptional resistance to scratches, chemicals, and UV radiation, while its deeply saturated colours retain their intensity for years. Available in a rich palette of colours, it gives the spa bath an exclusive, luxurious appearance — striking from the very first glance
FAQs
Does the Number of Jets Matter?
More doesn't always mean better. The key is finding the right balance between the number of jets, airflow, and the number of pumps. If these elements are not properly matched, the jets may underperform, resulting in a weak and ineffective massage experience.
It is also worth considering which part of your body matters most to you. If, for example, a back massage is not your priority, you may prefer a model with jets directed more towards the legs, feet, neck, or hands. Every seat in a jacuzzi features strategically positioned jets, so by simply changing seats, you can target different muscle groups and areas of the body — ensuring a truly effective and personalised massage experience every time.
How to Care for Your Jacuzzi Water?
When choosing a spa bath, pay close attention to the filtration system. An efficient water purification system not only makes everyday use easier, but also guarantees hygiene and safety for all users.
It is also essential to use water treatment chemicals — much like you would with a swimming pool — to maintain consistently clean and balanced water.
When you purchase a hot tub from us, you will receive a complimentary starter water care chemical kit to get you up and running straight away.
Do I Need a Special Installation?
Every jacuzzi requires access to an electrical installation; however, most models do not require a direct connection to a water supply. Jacuzzis are typically filled using a garden hose, so the distance to your nearest water source is worth considering when planning your installation.
Water drainage is another important factor — when planning the placement of your spa bath, keep in mind that the water will need to be changed periodically. A garden hose can be connected to the drain valve to easily direct the water away from the unit.
You will find detailed installation requirements on each individual product page to help you plan your setup with confidence.
How to Prepare the Ground for a Hot Tub?
First and foremost, the surface must be:
- perfectly flat and level
- stable and load-bearing (capable of supporting significant weight)
- resistant to moisture and weather conditions
- constructed to eliminate any risk of subsidence
A concrete slab approximately 10–15 cm thick or paving stones are both excellent options for a solid, reliable base. If you are planning to install your jacuzzi on a wooden or composite deck, make sure to carefully check the load-bearing capacity of the structure before proceeding.