The J-400™ Collection
The J-400™ collection stands apart with its distinctive high-back design and adjustable headrests for added comfort. This flagship hot tub range delivers our most complete hydrotherapy experience through expertly positioned PowerPro® jets, paired with our exclusive Infrared + Red Light therapy for deeper, targeted relief. With its sweeping backlit waterfalls, premium lighting, and refined craftsmanship throughout, this distinguished designer collection offers a truly exceptional hot tub experience.
J-400™ Features
True Water™
99.9% chlorine free – True Water™ delivers cleaner, softer water using breakthrough nanobubble technology to lift contaminants and help maintain clarity with minimal effort. Available as an option on the J-435™, J-475™, and J-495™, this revolutionary system redefines water care.
Infrared + Red Light Therapy
Our groundbreaking FX-IR seat is designed to do more than massage. It pairs targeted hydromassage with Near-Infrared and Deep Red Light therapy, focusing on the lumbar region of the lower back to ease stiffness, relieve discomfort, and support greater flexibility and wellbeing.
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5-6 Seats (Open Seating + 1 Lounger)
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Best In Class Jacuzzi® Patented Hydromassage
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Exclusive Infrared + Red Light Therapy
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Exclusive Jacuzzi® High-Back Shell Design
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SmartTub® Cellular Control and Remote Monitoring
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Jacuzzi® Patented Clean Water Management System
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Jacuzzi® High Efficiency, Multi-Layered Insulation
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Industry Leading Manufacturer Warranty (Parts and Labour)
J-435™ With Lounge Seating
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6 Seats (Open Seating)
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Best In Class Jacuzzi® Patented Hydromassage
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Exclusive Infrared + Red Light Therapy
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Exclusive Jacuzzi® High-Back Shell Design
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SmartTub® Cellular Control and Remote Monitoring
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Jacuzzi® Patented Clean Water Management System
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Jacuzzi® High Efficiency, Multi-Layered Insulation
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Industry Leading Manufacturer Warranty (Parts and Labour)
J-445™ With Open Seating
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5-6 Seats (Open Seating + 1 Lounger)
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Best In Class Jacuzzi® Patented Hydromassage
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Exclusive Infrared + Red Light Therapy
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Exclusive Jacuzzi® High-Back Shell Design
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SmartTub® Cellular Control and Remote Monitoring
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Jacuzzi® Patented Clean Water Management System
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Jacuzzi® High Efficiency, Multi-Layered Insulation
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Industry Leading Manufacturer Warranty (Parts and Labour)
J-475™ With Lounge Seating
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6-7 Seats (Open Seating)
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Best In Class Jacuzzi® Patented Hydromassage
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Exclusive Infrared + Red Light Therapy
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Exclusive Jacuzzi® High-Back Shell Design
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SmartTub® Cellular Control and Remote Monitoring
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Jacuzzi® Patented Clean Water Management System
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Jacuzzi® High Efficiency, Multi-Layered Insulation
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Industry Leading Manufacturer Warranty (Parts and Labour)
J-485™ With Open Seating
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8-9 Seats (Open Seating)
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Best In Class Jacuzzi® Patented Hydromassage
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Exclusive Infrared + Red Light Therapy
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Exclusive Jacuzzi® High-Back Shell Design
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SmartTub® Cellular Control and Remote Monitoring
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Jacuzzi® Patented Clean Water Management System
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Jacuzzi® High Efficiency, Multi-Layered Insulation
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Industry Leading Manufacturer Warranty (Parts and Labour)
J-495™ With Lounge Seating
Infrared + Red Light Therapy
Jacuzzi® is the first and only brand to offer Infrared and Red Light Technology across a range of wellness products – including selected J-LX®, J-400™ and J-300™ hot tubs, PowerPro™ and PowerActive™ swim spas, and our premium infrared saunas.
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Developed with medical experts, this patent-pending technology combines deep Red Light and Near-Infrared to deliver warmth beneath the skin’s surface, targeting the lower back to ease tension, improve circulation, and support overall wellbeing.
Become an expert of your Jacuzzi® Hot Tub
Available as standard on all Jacuzzi® hot tub collections:
J-200™ ,J-300™, J-400™ and J-LX™ Collections.
User focused development so you can grow your product knowledge.
Valuable tips on how to troubleshoot yourself.
Maintenance reminders prompt you to keep your hot tub in top working order.
Easy QR code setup – no WiFi credentials needed.
True Water™
A Break Though In Clean Water
Breaking new ground once again, our revolutionary True Water™ system utilises trillions of oxygen-filled nanobubbles to keep spa water clear, sparkling, and 99.9% chlorine-free.
Free from bromine, salt, and traditional sanitisers, True Water™ is currently available as an optional feature on our
J-435™, J-475™, J-495™, and J-LXL® hot tub models.
Why Jacuzzi® hot tubs are energy efficient