TECHNICAL SPECIFICATION
  • Number of people: 3 : 2 reclining seats + 1 sitting seat
  • Number of hydromassage jets: 56
  • Hydromassage pump: 2 × 2.2 kW
  • Weight: 280 kg
  • Capacity: 850 l
  • Lighting: RGB LED (multicolor)
  • Heater with 3 kW power

MATERIALS:

  • Casing: plastic - wood imitation
  • Structure: stainless steel
  • Shell: Aristech Acrylic (USA)
  • Base: ABS

CONNECTION REQUIREMENTS

  • 3 × 4 mm² cable and 25 A class C fuse
  • or 5 × 2.5 mm² cable and 3 × 16 A class C fuse*

* Consult with the technical service department before preparing the installation

Water treatment manual

Control panel user manual

Lighting
  • Underwater RGB LED lighting: 18 pcs.
  • Large underwater RGB LED lighting: 1 pc.
  • Fountain RGB LED lighting: 3 pcs.
  • Edge RGB LED lighting: 4 pcs.
  • Cup holder RGB LED lighting: 2 pcs.

nozzles
  • Airblower: 6 pcs
  • 2” PointJET: 32 pcs
  • 2.5” Directional PointJET: 11 pcs
  • 3.5” Directional PointJET: 3 pcs
  • 3.5” Twin SwirlJET: 1 pc
  • 5” Directional PointJET: 8 pcs
  • 5” ShowerJET: 1 pc
pumps and electronics
  • Massage pump: 2 × 2.2 kW with ceramic seal
  • Circulation pump: 1 × 0.25 kW Silence & Energy saver WTC50M
  • Balboa BP2100 control system
  • Balboa ST3 control panel
  • Heater: Balboa M7 Millenium 3 kW INOX
Isolation
  • ThermaCoat Premium Foam 1.5 cm – high-quality insulation that keeps water warm and saves energy.
  • Thermal cover and base – an additional protective and insulating layer for optimal thermal efficiency.

*FoilGuard insulation foil - optional at extra cost

*Additional wall and base insulation - optional at extra cost

Optional equipment
  • Thermal cover – maintains water temperature and reduces energy loss, ensuring comfort and savings.
  • Steps – stable and convenient entry to the tub, increasing safety.
  • Base – a sturdy and durable structure supporting the entire tub.
  • Bluetooth – the ability to play music directly from your phone, creating a relaxing atmosphere.
  • EVA pillows – soft, ergonomic support for the head and neck during bathing.
  • Surface skimmer – effectively removes contaminants from the water surface, keeping it clean.
  • Water care kit – everything needed to maintain ideal water quality and bathing safety.
  • Aromatherapy

Small bathtub - maxi relaxation!

The JJSPA Alpha 821 hot tub is a compact jacuzzi with three massage stations – two loungers and one seat. Thanks to its small dimensions, it is perfect for small terraces, balconies, and indoor spaces, creating a private relaxation zone at home.

Professional hydromassage is made possible by 56 hydromassage jets, through which water is pumped by a powerful 2.2 kW massage pump.
A 3 kW heater
keeps the water at the perfect temperature, while a 0.25 kW circulation pump ensures constant water flow.

This jacuzzi is perfect both for a romantic evening for two and after work, when a hydromassage will soothe tense muscles and help release emotions after a hard day.

types of jets in the Alpha 821 spa tub

Directional PointJET

WATER FLOW DIRECTION ADJUSTMENT

You can adjust the direction of the water stream in the Directional PointJET nozzles to achieve the optimal massage effect.

PointJET

Deep tissue massage

PointJET nozzles provide targeted massage using small but powerful water jets that help relax tense muscles.

Twin SwirlJET

Rotary nozzle

The dual stream in the Twin SwirlJET rotating nozzle allows for a powerful, deep tissue massage.

Air Blower

bubble massage

AirBlower nozzles pump air and provide a gentle bubble massage with an aromatherapy option.

perfect hydromassage - as many as 56 jets!

The jets in the JJSPA Alpha 821 hydromassage bathtub are distributed across all massage zones. This model features 7 different types of jets of various sizes, targeted at specific muscle groups. As a result, they provide a comprehensive massage for the neck, shoulders, arms, back, and legs.

The jets are made of high-quality materials, ensuring their long service life. A special feature of JJSPA bathtubs is the ability to remove the jets and replace them with others of the same size, allowing you to customize the massage to your personal preferences.

Reliable BALBOA™ ELECTRONICS

The Alpha 821 hydromassage bathtub is powered by electronic components from Balboa Water Group – a global leader in the production of control systems for hot tubs and spa baths. The Balboa BP2100 control unit ensures precise, stable management of all device functions throughout years of daily use.

The 3 kW Balboa M7 Millennium heater, made of INOX stainless steel, is responsible for maintaining the perfect water temperature. It is equipped with two independent temperature sensors that monitor water parameters during flow – the system reacts immediately to any change, maintaining the exact preset temperature of the hot tub regardless of external conditions.

Daily operation of the spa bath is simple and intuitive thanks to the Balboa ST3 touch control panel – elegant, responsive, and designed for maximum user comfort. From a single screen, you can configure the water temperature, program the massage jets, set filtration schedules, the timer, and music. The panel features a lock function that secures access to settings – a practical solution for families with children or in public spaces.

Energy saving - Eco+ System

Energy efficiency in hot tubs is becoming increasingly important, as users are becoming more aware of the importance of reducing energy consumption and protecting the environment. Energy consumption is reduced by the ECO+ system, which maintains a constant water temperature, ensuring the hot tub is always ready for use.

The hot tub is equipped with the ThermaCoat insulation system, in which the entire bottom surface of the shell is covered with foam of a higher density than in other spa tubs. All our hot tubs feature an ABS base, which not only protects the unit and its components from below but also reduces heat loss. The thermal cover provides excellent insulation because it fits the hot tub perfectly. As a result, heat is retained, which prevents energy loss and allows you to use the hot tub whenever you feel like it.

Ideally clean water with JJAquapure

Clean and safe water is the absolute foundation of carefree relaxation in the Beta 621 hot tub. The proprietary JJAquaPure system consists of unique, technologically advanced components that ensure the water in your home spa is always pristine, fresh, and clear.

The Ozone-Fresh ozone generator introduces dissolved ozone directly into the water circulation, acting as a fully natural and extremely effective disinfectant. The most important advantages of using an ozonator in a hot tub include:

  • Powerful disinfection strength – elimination of bacteria and viruses at the highest level.
  • Reduction of pool chemicals – significant decrease in the need for chlorine and other chemical agents.
  • User comfort – total elimination of unpleasant odors and no skin irritation.

PRO-UV disinfection in hot tubs is based on advanced technology using ultraviolet radiation. This special UV light has an incredible ability to instantly destroy the DNA structure of unwanted microorganisms and bacteria in the water. This method is not only ruthless against contaminants but also 100% safe for the environment and users, ensuring the highest standard of hygiene without changing the taste or smell of the water.

Chromotherapy - color therapy

RGB LED lighting is more than just a visual element. Chromotherapy is an alternative method of color therapy combined with luxurious relaxation in a sauna. It helps achieve inner balance and experience positive changes in well-being.

RED: Brings warmth, energy, and stimulation. It energizes the heart and blood vessels and stimulates the senses.

YELLOW: Increases neuromuscular tension. It purifies the blood, supports digestion, and has a cleansing effect. It strongly promotes joy, brings a sense of security, and a deep sense of well-being.

BLUE: A cool, calming color. It stimulates the parasympathetic nervous system, lowers blood pressure, and calms breathing and heart rate. It helps in treating sleep disorders and headaches.

GREEN: A cool, soothing color that helps reduce swelling in joints and tissues; it calms the nervous system.

PURPLE: Promotes the proper functioning of the lymphatic system and is very helpful during menopause. It is a color that neutralizes emotional wounds and supports spiritual growth.

TURQUOISE: Increases intuition and sensitivity, and relaxes. It has a tonic effect and harmonizes the function of the lungs and the large intestine. It promotes spiritual development.

quality = durability

The jacuzzi construction is based on INOX pipes, which ensure the stability of the entire structure. The hot tub casing is made of UV-resistant synthetic material, available in various wood-imitation finishes or colors, making it easy to match with any environment. Advanced Balboa electronics, an efficient heating system, and a filtration system create a set of components that guarantee reliable operation, as confirmed by the provided warranty.

There is also an option to choose the shell color, which gives the hot tub a luxurious look. The shell is made of acrylic covered with a high-quality coating characterized by high resistance to external factors.

FAQs

Does the number of nozzles matter?

Quantity does not always mean quality. The key is the balance between the number of jets, air flow, and the number of pumps. If these elements are not properly matched, the jets may work too weakly, resulting in an ineffective massage.

It is also worth considering which part of the body is most important to you. For example, if a back massage is not a priority, you can choose a model with jets aimed more at your legs, feet, neck, or hands.

Each seat in a hot tub has strategically placed jets, so by changing your position, you can massage different muscle groups and areas of the body, ensuring effective hydrotherapy.

How to maintain hot tub water?

When choosing a spa tub, pay attention to the filtration system. An efficient purification system not only facilitates use but also ensures hygiene and safety. You should also use water treatment products - just like in a swimming pool.

When purchasing a spa tub, you will receive a starter set of water chemicals from us.

Do I need a special installation?

Every hot tub requires access to an electrical supply, while most do not require a connection to a plumbing system. Hot tubs are typically filled using a garden hose - so the distance to a water source is a factor.

However, water drainage is important - when planning the location for your hot tub, remember that you will need to change the water from time to time. A garden hose can be attached to the drain valve to discharge the water.

You will find detailed information regarding installation requirements for each product.

How to prepare the base for a spa tub?

The base must be, above all:

  • perfectly level and even
  • stable and load-bearing (capable of supporting significant weight)
  • resistant to moisture and weather conditions
  • constructed in a way that eliminates the risk of settling

A concrete slab approximately 10-15 cm thick or paving stones will work well here. If you plan to place the hot tub on a wooden or composite deck, be sure to check the load-bearing capacity of the structure.

Do you have any other questions?

Write to us!