The New J4™ Collection
J4™ Features
J4™ Features
Infrared + Red Light Therapy
Our revolutionary FX-IR therapy seat combines hydromassage with our patented Near-Infrared and Deep Red Light therapy system to target the lumbar region of the lower back. Working beneath the skin’s surface, it supports circulation and delivers clinically supported benefits for deeper, more focused relief.
True Water® System
True Water® redefines how spa water looks, feels and performs. Using advanced nanobubble technology, billions of ultra-fine, oxygen-rich bubbles continuously circulate to refresh and clarify the water, keeping it 99.9% chlorine-free. The result is exceptionally clear, softer, inviting water and significantly reduced reliance on traditional chemical sanitisers.
Energy Efficiency
Engineered with advanced dual-layer insulation, the J4™ collection is designed to deliver exceptional thermal performance in all seasons. By combining proven insulation technologies with intelligent heat retention, J4™ stands as one of the most energy-efficient hot tub collections from Jacuzzi®, helping to reduce running costs without compromising performance.
Peace of Mind from Anywhere
Patented SmartTub® technology connects your hot tub via a secure cellular connection, giving you control wherever you are. Adjust temperature, jets, lighting and filtration remotely, optimise energy usage with Smart Heat Mode, and manage your Infrared and Red Light therapy with complete confidence and convenience.
PowerPro® Jet Technology
Patented Jacuzzi® PowerPro® jets combine high water flow with lower pressure to create a hydromassage that feels both powerful and controlled. Each jet is strategically positioned to target key muscle groups, delivering balanced, purposeful performance and a deeply immersive experience across every seat.
Digital Topside Controls
A refined digital topside control panel offers intuitive access to your spa’s essential functions. The clear, modern interface allows you to adjust temperature, jet performance and lighting with precision, ensuring every session feels personalised while maintaining the clean aesthetic of the J4™ collection.
Infinity Edge Waterfall
The Infinity Edge waterfall introduces a distinctive visual centrepiece and a calming sensory layer. A smooth, illuminated sheet of water flows seamlessly into the spa, creating gentle movement and soft ambient sound that elevate the atmosphere and enrich the overall experience.
J4™ Hot Tubs
J4™ Hot Tubs
J4™ Inspiration
J4™ Inspiration
Explore Other Collections
Explore Other Collections
J5™ Collection
The new J5™ Collection marks a defining chapter for Jacuzzi®, bringing together full-seat Infrared + Red Light therapy, immersive experience modes and our most refined hydromassage system to date. Built for those who expect more, it delivers presence, depth and control in a way that sets a new standard for luxury hot tubs.
J-300™ Collection
Now featuring Infrared and Red Light therapy, this signature collection combines exclusive ergonomic design with our most advanced hydrotherapy system for even deeper relief – exactly where you need it most.
J-200™ Collection
Step into Jacuzzi® luxury with our New J-200™ hot tubs, featuring a fresh design and the renowned reliability and excellence of Jacuzzi® at an affordable price. Plus, each new model is now equipped with exclusive premium features such as CLEARRAY Active Oxygen™ and SmartTub® system.
S-Series™
The new S-Series™ brings together contemporary styling and the proven quality of Jacuzzi®. With stainless steel hydromassage jets, ambient lighting and Reflect™ insulation, it’s designed for reliable performance and easy, year-round enjoyment.
FAQ
True Water® is Jacuzzi®’s latest breakthrough in water care. Using trillions of microscopic oxygen-filled nanobubbles, it continuously lifts away contaminants to help keep spa water clean, soft and inviting. Unlike traditional systems, True Water® delivers water that is 99.9% chlorine-free, allowing you to enjoy a more natural soak with fewer added chemicals.
This advanced system is available across the J4™ range. Learn more about how it works here
Infrared + Red Light therapy is an advanced wellness feature integrated into the J4™ collection. It combines precision hydromassage with Near-Infrared light that penetrates deeper into muscle tissue and Deep Red Light that works closer to the skin’s surface to support circulation and surface healing.
The result is targeted therapeutic warmth across the lower back, helping to support flexibility, circulation and overall comfort as part of your regular spa routine.
Learn more about Jacuzzi® Infrared + Red Light therapy here
SmartTub® allows you to manage your hot tub from your smartphone using a secure cellular connection via our ® SmartTub® app and subscription. You can adjust temperature, control jets and lighting, schedule heating cycles and activate energy-saving modes remotely.
It also provides real-time monitoring of water temperature and energy usage, along with service alerts if attention is required. This level of visibility helps you manage your spa efficiently and ensures it’s ready when you want to use it.
Learn more about Jacuzzi® SmartTub® system here
If you’re looking for a premium Jacuzzi® hot tub that combines modern design with advanced hydrotherapy, the J4™ collection is designed to deliver exactly that. It brings together PowerPro® hydromassage, integrated Infrared + Red Light therapy and the 99.9% chlorine-free True Water® system in one premium product.
Every detail has been engineered to balance performance, comfort and efficiency. With a choice of layouts and seating configurations, there’s a J4™ model to suit different garden spaces and lifestyles.
If you’re unsure where to begin, our digital Buyer’s Guide is a helpful resource for planning your purchase here
The J4™ collection is engineered to deliver strong hydromassage performance while maintaining intelligent energy management. Advanced dual-layer insulation helps retain heat within the cabinet, supported by an efficient circulation system that maintains water temperature consistently throughout the day.
An insulated cover further reduces heat loss when the spa is not in use, helping to keep running costs predictable across the seasons. J4™ stands as one of the most energy-efficient hot tub collections from Jacuzzi®, without compromising on performance.
Learn more about Jacuzzi® energy efficiency here
Our nationwide network of specialist retailers includes showrooms where you can explore the J4™ collection in person. Many locations offer wet tests, giving you the opportunity to experience the hydromassage performance and Infrared + Red Light therapy seat before making a decision.
Find your nearest showroom here