H2O 4500 Series Hot Tub (5-6 Person)
H2O 4500 Series Hot Tub (5-6 Person)
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H2O 4500 Series Hot Tub (5-6 Person)
Indulge in Everyday Escape with the H2O 4500 Series Hot Tub Twin Lounger Comfort for Six
The H2O 4500 Series Hot Tub brings together space, power, and precision in a way that transforms how you unwind at home.
Designed for up to six people, it features two full-length loungers that let you stretch out fully without competing for the best seat.
Every position is engineered for purpose, with 52 hydrotherapy jets delivering targeted relief across the body rather than a basic soak.
The dual 3HP Aqua-Flo pump system ensures strong, consistent pressure so every jet performs exactly as intended.
Beneath the surface, HeatBank insulation works continuously to retain warmth and reduce energy loss throughout the year.
As evening falls, integrated LED lighting and a triple waterfall turn your garden into a calm, atmospheric retreat.
Finished in four striking shell colours and backed by a ten-year structural warranty, the H2O 4500 Series Hot Tub delivers long-term comfort with unmistakable presence.
Discover Powerful Hydrotherapy and True Comfort with the H2O 4500 Series Hot Tub
- 52 Hydrotherapy Jets: Jets are distributed across neck, shoulder, back, leg, and foot zones so every seat in the tub delivers a targeted massage, not just warm water.
- Dual 3HP Aqua-Flo Pump System: Two pumps by Gecko's Aqua-Flo brand give the 4500 Series the water pressure to run all 52 jets at full output, with a separate circulation pump keeping energy use low between sessions.
- Non-Float Twin Lounger Seats: Both full-length loungers are designed to hold you in position without floating free, accommodating users up to 6'3" for a genuinely reclined hydrotherapy experience.
- HeatBank™ Insulation System: Sandwich PVC base, full-shell CFC foam, and HeatBank panels combine to retain heat efficiently, making the 4500 Series compatible with an optional heat pump for up to 75% running cost reduction.
- Phantom WiFi Bluetooth Audio: The system converts the acrylic shell into a resonating speaker surface, delivering a full-range sound with subwoofer depth that connects wirelessly to any device without visible hardware.
- Triple LED Waterfall: Three individually lit waterfall channels provide a constant ambient backdrop, with colour options that shift the mood from calm to vibrant depending on the occasion.
- Gecko Control System: The Gecko controller manages temperature, jets, lighting, and filtration from a single panel, with a reputation across the industry for low failure rates and long service life.
Why the H2O 4500 Series Hot Tub Is Good for Your Health and Wellbeing
- Warm Water Relaxation: Soaking at 38–40°C encourages muscles to relax and the body to slow down.
- Reduced Pressure on Joints: Water buoyancy reduces the load on joints and muscles, making it easier to hold positions that stretch and decompress the body.
- Post-Exercise Recovery: The 52 jets deliver targeted water pressure across the back, shoulders, and legs.
- Sleep Preparation: Many owners report finding it easier to sleep after a warm evening soak, warm water raises core body temperature and the natural cool-down that follows is associated with the onset of sleep.
- Stress Relief: Warm water immersion combined with jet massage gives the body a clear signal to slow down.
- Improved Circulation: The warmth of the water causes blood vessels to dilate, which increases circulation to the muscles.
Smooth Delivery and Expert Setup Without the Stress of Your H2O 4500
The H2O 4500 Series Hot Tub arrives with an insulated cover and anti-slip steps, meaning you have everything needed to get started straight away.
You will receive clear guidance on access, base preparation, and power requirements before delivery day.
A 32A supply is required, and we can connect you with a qualified electrician if needed.
If access is restricted, crane or specialist placement can be arranged as part of your service.
Delivery typically takes two to four weeks depending on availability, with faster options for selected finishes.
Once installed, you are guided through setup and first use, including water care essentials, so you can enjoy your hot tub from day one.
Gecko Control System
Designed and built in North America, Gecko is used across the hot tub industry for its reliability and ease of use. The large LCD screen is clear in daylight, and temperature and jet settings are adjusted in seconds from the panel.
Ergonomic Seating
Six seats, each shaped to a different posture and jet layout. The lounger covers the full body from upper back to calves. The two upright seats face each other, each with jets targeting the mid and lower back.
52 Hydrotherapy Jets
Larger 3-inch jets work the back and shoulders; smaller 2-inch jets cover the backs of the legs. The twin-speed pump keeps jet pressure consistent across every seat, whether one person is soaking or three.
LED Mood Lighting
One LED unit with up to 10 colour-phasing sequences, from a slow fade through colours to a faster strobe. Set from the Gecko control panel without leaving the water.
Phantom Bluetooth Audio
The Phantom WiFi audio system pairs instantly with iOS and Android. The built-in subwoofer delivers bass at outdoor volume, and the connection stays stable across the length of a session.
Clear Water System
The no-bypass filtration system runs continuously to keep the water clean between chemical doses. The ozone disinfection unit works alongside it, reducing the amount of sanitiser you need to add manually.
Plug & Play Power
The 500 Series connects to any standard outdoor mains socket and draws a maximum of 13A. No dedicated circuit, no rotary isolator, no pre-installation electrical work. If your garden has a weatherproof outdoor socket, you're ready.
Aluminium Frame
The structural frame is high-grade aluminium. It won't rust, rot, or corrode under year-round outdoor exposure. The composite cabinet is transfer-printed and requires no staining, painting, or treatment.
Triple LED Waterfall
The mood-changing waterfall feature, illuminated by LED lights, adds a serene and picturesque element to your garden, enhancing the relaxation process with the soothing sound of running water.
HeatBank™ Insulation
The innovative HeatBank™ insulation creates a thermal barrier, significantly reducing heat loss. This eco-friendly feature ensures lower energy consumption and running costs, making the 4500 Series a responsible choice for environmentally conscious users.
Gecko Inside
The hot tub's circulation and jet pumps, Aqua-Flo by Gecko, offer efficient water flow rates. This translates into enhanced benefits for spa owners, ensuring a high-performance experience with reduced operating costs.
Water Circulation Pump
The dedicated circulation pump is a testament to the hot tub's energy efficiency. It circulates water through the filter system, ensuring clean water and lower energy bills, while the powerful massage pump kicks in only when needed
What's Included
Everything You Need in Your H2O 4500 Series Hot Tub
- H2O 4500 Series Hot Tub
- Insulated Hard Cover
- Anti-Slip Entry Steps
- Phantom WiFi Bluetooth Audio System with Subwoofer
- Triple LED Waterfall
- LED Waterline, Underwater, and Cup Holder Lighting
- Gecko Control System
- No-Bypass Ozone Filtration System
- Chemical Starter Kit
- Free UK Delivery
- Full Setup Demonstration
H2O 4500 Series Hot Tub Specifications
| Seating Capacity | 6 People (2 Full-Length Loungers + 4 Upright Seats) |
| Dimensions | 215 x 215 x 90 cm (L x W x H) |
| Water Capacity | 1650 Liters |
| Dry Weight | 400 kg |
| Filled Weight | 2100 kg |
| Hydromassage Jets | 52 |
| Jet Pump | 2 x 3HP Aqua-Flo by Gecko |
| Control System | Gecko, Large LCD Screen (North America-Built) |
| Heater | 3 kW |
| Power Supply | 32A Dedicated Circuit |
| Structural Frame | Aluminium |
| Cabinet/Skirting | Durable Transfer-Printed Composite, Grey |
| Insulation | Full CFC Foam Shell + 33mm HeatBank™ Sandwich PVC Base + 100mm Insulated Cover |
| Ozone Disinfection | Yes |
| Filtration | No-Bypass System |
| Lighting | LED Underwater, LED Waterline, Triple LED Waterfall, LED Cup Holders |
| Audio | Phantom Bluetooth WiFi Audio System with Subwoofer |
| Shell Colours | White Marble, Pearl Shadow, Mayan Copper, Storm Cloud |
H2O 4500 Series Hot Tub FAQs
My garden has restricted access. Can the tub still be delivered?
Yes. Where standard access is not available, crane delivery is an option for the 4500 Series. We assess access requirements as part of the enquiry process and coordinate the appropriate delivery method. There is no need to arrange this independently.
Should I use chlorine or bromine to maintain the water?
Both work with the 4500 Series. Chlorine is more widely used and typically lower in cost; bromine is gentler on skin and better suited to users with sensitivities. The choice is personal preference. A chemical starter kit is included with delivery, and our team will walk you through the maintenance routine on setup day.
Do I need to carry out any groundworks before delivery?
The tub needs a firm, level base capable of supporting 2100kg when filled. A reinforced concrete pad is the most common solution. We recommend confirming groundworks are complete before booking delivery, and we can advise on the specification if needed.
H2O 4500 Series Hot Tub Resources
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