American Whirlpool RB4


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American Whirlpool® RB4

The American PowerPool® RB4 is a 14-foot swim spa that provides ample room for swimming and hydrotherapy. With seating for up to three people, the RB4 allows you to swim laps while others relax in the therapeutic massage of the water jets. The swim spa features turbo swim jets to provide resistance for swimming as well as 19 stainless steel hydrotherapy jets and 6 cascading waterfall jets to soothe sore muscles. Additional exercise equipment like resistance bands allow for a full body workout.

The RB4 swim spa provides enjoyment of swimming and aquatic exercise without the hassle and expense of a traditional pool. With effective insulation, freeze protection and a locking insulated cover, the swim spa is always ready for use. The American PowerPool® RB4 offers the ultimate home swim spa experience for fitness, relaxation, and year-round use.

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9.99% APR until paid in full.

On hot tub purchases of $26,595 or more made with your Synchrony credit card. Fixed monthly payments required. Details

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The estimated monthly payment shown equals the purchase price (excluding taxes) multiplied by 9.99%. It is rounded to the next highest whole dollar. It is only good with the financing offer shown. If you make these payments by the due date each month, you should pay off this purchase within the promo period, if it is the only balance you are paying off. If you have other balances on your account, this payment will be added to any other minimum monthly payments.

Technical Specifications

  • Therapy Needs

    Arthritis & Fibromyalgia, Better Sleep, Ease Sore Muscles, Exercise, Improve Range of Motion, Stress Relief

  • Voltage


  • Spa Style

    Swim Spa

  • Swim Spas Brand

    American Whirlpool

  • Seating Capacity

    2-3 People

  • Budget


  • Dimensions

    168" Long x 90" Wide x 50" Tall

  • Pumps

    2 x 3 HP Pumps

  • Jets


The American PowerPool® RB4 swim spa provides a complete home aquatic fitness and relaxation experience with its spacious 14-foot size, ample seating for up to 9 people, and 1,325 gallon water capacity. It features turbo swim jets as well as 29 hydrotherapy jets to support swimming, aquatic exercise, and massage. The open floor plan optimizes swim training with dual swim currents, swim lanes, and exercise equipment like resistance bands for a full body workout. The RB4 swim spa is built for year-round use with freeze protection, energy efficient insulation, and a locking cover. Additional highlights include waterfall jets, LED lighting, stainless steel construction, high performance pumps, and durable cabinetry. With its combination of size, performance features, and four-season reliability, the American PowerPool® RB4 offers the ultimate home swim spa experience.

The American PowerPool® RB4 swim spa provides a range of therapeutic benefits through its thoughtfully designed hydrotherapy jet system. It features 29 stainless steel jets strategically placed to target different muscle groups and pain zones, providing relief for sore muscles, arthritis, fibromyalgia, and more. The swim spa includes specialized neck and shoulder jets in the Comfort Collar area for focused massage above the water. For full body relief, the contoured seating and adjustable jets are designed to properly align the body and spine. After exercise, the hydrotherapy jets help improve muscle recovery by increasing circulation. The warm water also aids in relaxation and sleep. With its combination of targeted jets and ergonomic seating, the American PowerPool® RB4 delivers an advanced hydrotherapy experience to soothe aches and pains.


Blue MAAX insulation is an an eco-friendly insulation system made from recycled natural fiber and approved by the U.S. Green Building Council. Combined with 3M Thinsulate™ insulation, Blue MAAX is part of the Northern Exposure® Insulation System, a patented thermal barrier that recycles free heat energy for more efficient heating and lower energy costs.

Appliance Grade

The American Whirlpool® hot tubs offer appliance-grade benefits, ensuring high-quality, feature-rich, and affordable products for customers. These hot tubs boast revolutionary Blue MAAX insulation, an eco-friendly system that drives efficiencies in water and energy use, ultimately saving consumers time and money.

Lifetime Insulation Warranty

This warranty ensures that the insulation system in your American Whirlpool® hot tub maintains the same insulation value as it had at the time it was manufactured. The high R-value, Appliance Grade™ construction allows a technician to service the hot tub and bring it back to factory specifications right in your backyard for the lifetime you own it.

  • Exercise Kit
  • Swim Tether
  • Pneumatic Power Oars


Programmable Filter Cycles
Programmable Filter Cycles

Enhance your spa experience with American Whirlpool's programmable filter cycles. Schedule automatic cleaning sessions at your convenience, ensuring a consistently clean and hygienic oasis. 

Steel Substructure
Steel Substructure

Experience the highest level of durability and longevity with American Whirlpool hot tubs, the pioneers of the world's first steel frame Appliance Grade® design. Our hot tubs boast a steel frame that surpasses the strength of wood.

DuraMAAX Cabinetry
DuraMAAX Cabinetry

Experience the elegance of natural wood without the upkeep using DuraMAAX®, a state-of-the-art wood-alternative material. It offers the look and feel of real wood without maintenance, while being impact resistant, weatherproof, and impervious to insect damage.

Northern Exposure
Northern Exposure

Experience the ultimate in hot tub insulation with Northern Exposure® and Thermo-Lock technology. This patent-pending thermal barrier system recycles heat energy, ensuring more effective heating and reduced energy expenses with copper reflecting material.

ABS Bottom Pan
ABS Bottom Pan

Ensure a solid foundation and optimal insulation for your American Whirlpool hot tub with the ABS Sealed Base. This integral component serves as a sturdy support structure, featuring one-piece construction that forms a rugged foundation for your spa. 

Touchscreen Controls

The Whirlpool Smart Touch top side control panel revolutionizes your hot tub experience. With this cutting-edge feature, you have full control at your fingertips to adjust temperature settings, activate jets, and customize the massage intensity.

Dynamic LED Lighting
Dynamic LED Lighting

Transform your spa experience with the captivating ambiance created by the large LED light in the footwell of your American Whirlpool spa. This striking feature sets the mood for your entire spa experience, immersing you in a captivating world of soothing colors.

Factory Installed Ozone
Factory Installed Ozone

Experience ultimate in spa water purification with CleanZone™ and CleanZone II™. CleanZone™ utilizes advanced plasma cell UV lamp technology to generate ozone, eliminating bacteria, viruses, and parasites from your spa water.