h2x swim spa series
Trainer 21 D
257″ x 94″ x 60″
1830 Gallons
VIP Technology Propulsion System
51 Jets
Transform your backyard with the H2X Trainer 21D, a dual-zone swim spa that seamlessly blends exercise and relaxation. This 21-foot swim spa has an expansive swim area, a hot tub section with massage seats, and the integrated sun lounge. With an adjustable water current, you can swim or exercise at your pace. On the hot tub side, say good-bye to tensions, aches, and daily stresses. Customize your experience with independent temperature controls, adjustable jets, and ambient LED lighting.
Trainer 21
257″ x 94″ x 51″
1630 Gallons
VIP Technology Propulsion System
51 Jets
Get in and say hello to a whole new level of physical and mental fitness. This is where the sweet spot of a swim spa meets the power of a hydrothermal therapy spa. Where the benefits of both are joined to satisfy self-disciplines and self-indulgences alike. This is the H2X Trainer 21 and quite possibly the best home swim spa experience of your life.
Trainer 19D MAX
231″ x 94″ x 60″
2,350 Gallons
VIP Technology Propulsion System
45 Jets
Trainer 19D Max features a large uninhibited area with increased depth for buoyancy that is perfect for fitness training, aquatic exercise, and family fun. The VIP (Velocity Injector Plate) Technology improves the swim jet performance and increases water output for an enhanced exercise experience. With incomparable health rewards, hydrotherapy, and relaxation this swim spa offers a full measure of enjoyment.
Trainer 15 D
180″ x 94″ x 60″
1,595 Gallons
VIP Technology Propulsion System
45 Jets
The Trainer 15 D features a large uninhibited area that is perfect for family fun and exercise. Easier to maintain and with a smaller footprint, this swim spa is an ideal alternative to a traditional pool. Plus, when it comes to hydrotherapy, rehabilitation, and relaxation, nothing compares to the Xtreme Therapy Seat and Xtreme Therapy Cove.
Trainer 15
180″ x 94″ x 51″
1,380 Gallons
VIP Technology Propulsion System
45 Jets
The Trainer 15 features a large uninhibited area that is perfect for family fun and exercise. Easier to maintain and with a smaller footprint, this swim spa is an ideal alternative to a traditional pool. Plus, when it comes to hydrotherapy, rehabilitation, and relaxation, nothing compares to the Xtreme Therapy Seat and Xtreme Therapy Cove.
Trainer 12
144″ x 94″ x 51″
990 Gallons
VIP Technology Propulsion System
45 Jets
The Trainer 12 includes aquatic fitness equipment, the H2Xercise™ Fitness System, for muscle-defining and strength-building exercises. Master Spas’ exclusive Xtreme Therapy Seat and Cove delivers luxurious, head-to-toe, muscle massaging and mind-relaxing healing.
Challenger 21 D
257″ x 94″ x 60″
1830 Gallons
53 Jets
Redefine backyard living with the H2X Challenger 21D. This dual-zone swim spa design provides an expansive swim area, a separate hot tub section, and an integrated sun lounge. Offering the benefits of a pool with the therapy for a hot tub, this 21-foot swim spa is the perfect spot for swimming in place, water exercise, recreation, and relaxation. Personalize your sessions with independent temperature controls, adjustable jets, and LED lighting.
Challenger 19D MAX
231″ x 94″ x 60″
2350 Gallons
47 Jets
Get more with the H2X Challenger 19D MAX. With the largest swim area of any H2X swim spa, this 19-foot swim spa is perfect for swimming in place, water exercise, or an afternoon of relaxation. The variable speed current meets you at your fitness level, whether you want a challenging workout or recovery session. After a workout, you can enjoy the relaxation and rejuvenation of the contoured hot tub seats with built-in massage jets and the Xtreme Therapy Cove.
Challenger 15 D
180″ x 94″ x 60″
1595 Gallons
45 Jets
Train, recover, and relax in the comfort of your backyard with the H2X Challenger 15D. With an obstacle-free swim area, you can swim, exercise, and enjoy quality time with your family. Updated for 2025, the airless swim current delivers a superior swim experience that you can adjust based on your goals and fitness level. Seamlessly combining the benefits of a pool with a hot tub, this 15-foot swim spa features strategically placed massage jets that can be adjusted for your needs.
Therapool SE
132″ x 94″ x 51″
925 Gallons
3 Flow Stream Swim Jets
21 Jets
This fitness spa is loaded with high-end features but at a surprisingly affordable price. The large flat floor is perfect for aquatic exercise and rehabilitation, while three high-performance flow stream swim jets provide a current for walking or running in place. At the end of your workout, slip into one of the ergonomic seats, letting the hydrotherapy jets help you to recover and relax.
Therapool D
132″ x 94″ x 60″
1,060 Gallons
3 Flow Stream Swim Jets
54 Jets
The Therapool D measures close to 8’ x 11’ and has a massive 60” depth. It has more than 50 jets with three high-performance flow stream jets for resistance training and aquatic exercise. It comes standard with the H2Xercise Kit* for rowing and strength training and a stainless steel exercise bar. The Therapool D is the perfect swim spa for exercise, fitness or family fun and comes standard with waterline LED, water features and stainless steel jets.
Therapool 13
156″ x 90″ x 48″
1270 Gallons
28 Jets
The second largest model in the Therapool Series, the Therapool 13 has an uninhibited exercise area and therapy seating for the ultimate in wellness. It has 28 jets with two high-performance flow stream swim jets for resistance training and aquatic exercise. It comes standard with the H2Xercise™ Fitness System for rowing and strength training. Whether you want to exercise or simply relax, this is the perfect swim spa to re-energize your wellness routine and backyard.
Therapool 15
180″ x 90″ x 51″
1620 Gallons
28 Jets
The largest model in the Therapool Series, the Therapool 15 is a great alternative to a backyard pool and can be used year-round. It has an uninhibited exercise area and features 28 jets with two high-performance flow stream swim jets for resistance training and aquatic exercise. It comes standard with the H2Xercise™ Fitness System for rowing and strength training.