American Whirlpool ML4


  • Modern Mocha
  • Pecan Ridge
  • Resort Gray


  • Silver Marble

American Whirlpool® ML4

The American PowerPool® ML4 swim spa is designed for competitive swimmers who want an intense workout right at home. With a length of 14 feet, this swim spa can accommodate laps and challenging swim exercises. It features three high-powered pumps that drive 27 jets, including two MAAXForce swim jets. These jets use an anti-turbulence system to create a smooth, powerful current adjustable up to 100 feet per minute. With seating for 3 people, a water capacity of 1550 gallons, and a depth of 47 inches, the ML4 has plenty of space for swimming, hydrotherapy, and lounging.

Beyond swimming, the ML4 swim spa provides targeted massage therapy with its Zone Therapy system. Strategically placed jets focus on trigger points to relieve muscle aches and pains. The ergonomic Performance Seats mold to your body for support and comfort. With features like illuminated cup holders, cascading waterfalls, and stainless steel jets, the ML4 combines performance and luxury. This professional-grade swim spa allows you to exercise and relax at home year-round.

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9.99% APR until paid in full.

On hot tub purchases of $28,795 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

  • Seating Capacity

    2-3 People

  • Jets


  • Swim Spas Brand

    American Whirlpool

  • Budget


  • Dimensions

    168" Long x 90" Wide x 50" Tall

  • Pumps

    3 Pumps

The American PowerPool® ML4 swim spa is ideal for competitive swimmers and anyone seeking an intense full-body workout at home. With a length of 14 feet and depth of 47 inches, it accommodates swimming laps, water aerobics, and challenging swim exercises. The ML4 is powered by three high-performance pumps that drive 27 jets, including two proprietary MAAXForce swim jets that generate a customizable smooth current up to 100 feet per minute. The ergonomic zero gravity Performance Seats with lumbar support provide comfort during hydrotherapy. Additional features include an anti-turbulence swim current system, Zone Therapy targeted massage, capacity for 1550 gallons, integrated stereo, stainless steel jets, mood lighting, and WiFi/Bluetooth connectivity. With professional-grade power, comfort, and versatility, the ML4 swim spa allows you to swim, hydromassage, and lounge year-round from the convenience of home.

The ML4 swim spa provides a variety of therapeutic benefits through its hydrotherapy jet system and warm water environment. The Zone Therapy system targets specific areas like the neck, back, and joints with adjustable jets to relieve muscle tension, arthritis pain, and stiffness. The powerful swim current is low-impact exercise that improves cardiovascular health while easing joint pain. The ergonomic seats immerse the body to relieve stress and relax the mind. The warm water improves circulation, boosts immunity, and promotes better sleep. With its combination of massage, exercise, and warm water immersion, the ML4 swim spa enhances physical and mental wellbeing. It allows users to relieve pain, reduce stress, improve fitness, and recover faster from injury and illness. The ML4 provides a convenient way to experience comprehensive hydrotherapy at home year-round.


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.