+ Exclusive RX hydromassage jets

+ most effortless, yet powerful cleaning system yet, True Water™

+ Red Light, and Near-Infrared therapy with 5 seating options

+ Customize your hydrotherapy experience in our J-435™ model. Within its space-saving 7’x7’ footprint, this premium hot tub delivers a distinctly different massage in every seat. A forward-facing Therapeutic Lounge featuring exclusive RX therapy jets provides total-body stress relief. Plus, 2 cool-down seats give you the option to enjoy your hot tub without immersing yourself completely – ideal for families with children.

Quick overview

• Perfect for: Couples, runners, athletes, people with tired legs and feet
• Seats: 5-6
• Defining factor: Therapeutic lounge seat, space-saving footprint
• Unique features: Hydromassage personalization in each seat, Near-Infrared and Red Light therapy
• Number of jets: 47

Three layers of unbelievable relaxation, plus the power of Infrared technology.
Uncover a new realm of relaxation. Leading the way with groundbreaking Near-Infrared and Red Light therapy, our J-400™ Collection hot tubs ensure a unique and deeply refreshing experience with three layers of amazing hydrotherapy.


Layer 1 – Relaxing Hydrotherapy: Premium Jacuzzi® PowerPro® jets deliver a skin-level massage to reduce stress, aid in muscle recovery, and improve your overall sense of wellbeing.
Layer 2 – Regenerative Red Light: Specialized light reaches surface tissue and cells to reduce inflammation and ease lower-back pain.
Layer 3 – Rejuvenating Near Infrared: Near Infrared light waves reach deeper to muscle tissue within the lower back to improve range of motion and provide pain relief.

Infrared hydrotherapy seat

The FX-IR Seat seamlessly blends our exclusive Near-Infrared and Red Light therapies with a comprehensive back, shoulder, and neck hydromassage. This fusion creates a truly transformative experience that, when coupled with our SmartTub® System, establishes the J-400™ Collection as the epitome of innovation in hot tubs.

Volume: 360 gal / 1363 l

• Jets: 45
• Primary Pump: 1-Speed, 5.1 HP break, 2.5 HP continuous, 56 Frame
• Secondary Pump: 1-Speed, 5.1 HP break, 2.5 HP continuous, 56 Frame
• Circulation Pump (Y/N): Yes
• Diverter Valves #: 2
• Filtration System: 5 stage filtration
• Filters: 3
• Electrical: North America (60 Hz): 240 VAC@40A, 50A, or 60A
• Filter Type: One ProClarity® 40 ft2 filter cartridge and 1 ProClarity® depth load filter on 8-hour circulation pump; one ProCatch® bag with ProClear® 60 ft2 filter; Floating Weir; True™ Water System (Must order with SmartTub® option)
• Shape: Square
• Seat Jets: Lounge
• Waterfalls: 1
• Height (in): 37.5
• Length (in): 84.0
• Width (in): 84.0
• Volume (gals): 360