woman in hot tub at night

Contemporary design and rejuvenating hydrotherapy combine to create the ultimate wellness retreat. Energy-efficient engineering, intuitive SmartTub® controls, and crystal clear water systems come standard, making the J4™ Collection stand out for those seeking elevated performance and clean aesthetics.

Contemporary design and rejuvenating hydrotherapy combine to create the ultimate wellness retreat. Energy-efficient engineering, intuitive SmartTub® controls, and crystal clear water systems come standard, making the J4™ Collection stand out for those seeking elevated performance and clean aesthetics.

Contemporary design and rejuvenating hydrotherapy combine to create the ultimate wellness retreat. Energy-efficient engineering, intuitive SmartTub® controls, and crystal clear water systems come standard, making the J4™ Collection stand out for those seeking elevated performance and clean aesthetics.

Contemporary design and rejuvenating hydrotherapy combine to create the ultimate wellness retreat. Energy-efficient engineering, intuitive SmartTub® controls, and crystal clear water systems come standard, making the J4™ Collection stand out for those seeking elevated performance and clean aesthetics.


Infrared and red light therapy

The rejuvenating powers of Infrared and Red Light therapy work together deep beneath the skin’s surface to relieve low back pain, improve range of motion, and help you reach a state of mindfulness. Best of all, the J404L™ introduces our new FX-IR Lounge Seat for Infrared therapy.

Infrared and red light therapy

The rejuvenating powers of Infrared and Red Light therapy work together deep beneath the skin’s surface to relieve low back pain, improve range of motion, and help you reach a state of mindfulness. Best of all, the J404L™ introduces our new FX-IR Lounge Seat for Infrared therapy.

Infrared and red light therapy

The rejuvenating powers of Infrared and Red Light therapy work together deep beneath the skin’s surface to relieve low back pain, improve range of motion, and help you reach a state of mindfulness. Best of all, the J404L™ introduces our new FX-IR Lounge Seat for Infrared therapy.

Infrared and red light therapy

The rejuvenating powers of Infrared and Red Light therapy work together deep beneath the skin’s surface to relieve low back pain, improve range of motion, and help you reach a state of mindfulness. Best of all, the J404L™ introduces our new FX-IR Lounge Seat for Infrared therapy.

woman in hot tub
true water

True Water®

True Water brings nanobubble technology to home spas, releasing trillions of oxygen filled nanobubbles that continuously remove contaminants, 1 delivering clear, sparkling water that's 99.999% chlorine-free. You'll see, feel, and smell the difference. And True Water simplifies water care, so you spend less time maintaining your spa and more time enjoying it.

True Water®

So fresh. So clear. And 99.999% chlorine-free. True Water makes spa water fresh without all the harsh chemicals. You’ll see, feel, and smell the difference.

True Water®

True Water brings nanobubble technology to home spas, releasing trillions of oxygen filled nanobubbles that continuously remove contaminants, 1 delivering clear, sparkling water that's 99.999% chlorine-free. You'll see, feel, and smell the difference. And True Water simplifies water care, so you spend less time maintaining your spa and more time enjoying it.

True Water®

So fresh. So clear. And 99.999% chlorine-free. True Water makes spa water fresh without all the harsh chemicals. You’ll see, feel, and smell the difference.


SmartTub® system

Standard on all J4™ models, our exclusive SmartTub® app lets you monitor and control your spa from anywhere using your smart device. Adjust the temperature, jets, and lights, and get real-time notifications and reminders. Our patented Smart Heat Mode feature helps you use your hot tub in the most energy-efficient way possible, reducing standby power by up to 25%.

Smarttub® system

Standard on all J4™ models, our exclusive SmartTub® app lets you monitor and control your spa from anywhere using your smart device. Adjust the temperature, jets, and lights, and get real-time notifications and reminders. Our patented Smart Heat Mode feature helps you use your hot tub in the most energy-efficient way possible, reducing standby power by up to 25%.

SmartTub® system

Standard on all J4™ models, our exclusive SmartTub® app lets you monitor and control your spa from anywhere using your smart device. Adjust the temperature, jets, and lights, and get real-time notifications and reminders. Our patented Smart Heat Mode feature helps you use your hot tub in the most energy-efficient way possible, reducing standby power by up to 25%.

Smarttub® system

Standard on all J4™ models, our exclusive SmartTub® app lets you monitor and control your spa from anywhere using your smart device. Adjust the temperature, jets, and lights, and get real-time notifications and reminders. Our patented Smart Heat Mode feature helps you use your hot tub in the most energy-efficient way possible, reducing standby power by up to 25%.

true water

Rapid heating and cooling

The J4® collection is heat-pump ready for year-round comfort — allowing you to easily connect a heat pump for rapid heating or cooling. Whether you're warming up on a chilly night or maintaining your perfect soak temp on a summer day, enjoy consistent comfort while reducing energy usage all year long.

Rapid heating and cooling

The J4® collection is heat-pump ready for year-round comfort — allowing you to easily connect a heat pump for rapid heating or cooling. Whether you're warming up on a chilly night or maintaining your perfect soak temp on a summer day, enjoy consistent comfort while reducing energy usage all year long.

Rapid heating and cooling

The J4® collection is heat-pump ready for year-round comfort — allowing you to easily connect a heat pump for rapid heating or cooling. Whether you're warming up on a chilly night or maintaining your perfect soak temp on a summer day, enjoy consistent comfort while reducing energy usage all year long.

Rapid heating and cooling

The J4® collection is heat-pump ready for year-round comfort — allowing you to easily connect a heat pump for rapid heating or cooling. Whether you're warming up on a chilly night or maintaining your perfect soak temp on a summer day, enjoy consistent comfort while reducing energy usage all year long.

1 Contaminants include dirt and grit.