4-Person Swim Spa with 37 Jets This is our most popular model under our Fitness Swim Spas line but taken to the next level with our X series features. The F-1437X allows endless swimming at beginner to advanced levels. While you enjoy the standard features such as two river jets with on/off air control valves and jets placed at foot level for maximum relaxation, you also get the added touch of our Elite cabinet panels and upgraded corners.

Hydro-Massage Therapy Benefits

There are many benefits to improving your mind and body with each spa manufactured. Customize your Hydro-Massage therapy to meet your goal to a healthier better you.

• Seats
  Enjoy lounge or bench style seating; keep an eye out for the cool off seat after your exercise. *Swim Spa seating vary by model.
• Jets
  Strategically placed to hit exact pressure points, which will allow your muscles to decompress. Jets are adjustable at your convenience.

Ultimate Performance

Cal Spas prides itself on 100% custom built American-made Spas. We are dedicated to building the most reliable, durable and functional spa in the industry.

• Pumps
  Cal Spas builds the most reliable motors in the industry. With less moving parts, these motors feature two independent winding speeds and a reverse-flow cooling system. Our pumps are Built to last a lifetime!
• Heater
  Titanium Element in calcified Tube Titanium has become the solution to hot tub heater longevity, and has long been the best defense against chemical & mineral abuse.
• Controls
  A modern and intuitive 4in full color LCD touch display designed to easily switch between settings. Including in-depth features, vibrant colors, user feedback and response. Set your spa to your liking with an easy-to-read menu that will leave your spa functioning seamlessly.
• Hydro-Pro
  Endlessly walk, jog or swim at BEGINNER levels of resistance. *Resistance Jets vary by model.

Purity

It is necessary that the water in your spa stays purified, and with our filtration system, we make it easy for you.

• Ozone
  Using Dual Ozonators with Mazzei Injectors Mixing Chambers, it kills microorganisms and prevents them from reproducing. No chemicals are added to the water, and won't interfere with the oxidation process.
• Bio-Filter
  A special Dyna Flow Filter System bacteria-fighting agent is molded into the fabric of the filter and prevents harmful microbes and bacteria

Efficiency Insulation

Our insulation is the best on the market. We have it down to a science for you to keep your spa protected and the heat locked in and ready to use at any time!

• Thermo-Shield
  Our cabinet walls contain premium insulation that is completely recyclable producing less waste than traditional urethane foam. Additionally, the insulation does not block passage to the spa allowing for the highest R rating.
• Full Foam
  By adding full foam into the spa structure, water is preserved so the heat does not release. This will reduce the time that it takes to heat and maintain water temperature. *Optional Feature
• Cover
  Our spa cover is built with a tapered edge with an integrated downward angle from the center, this prevents precipitation from pooling on the cover preventing mold or mildew. The Hydro-Armor cover is made from 100% marine-grade with a vinyl top, filled and supported by 18-gauge steel C-Channel beams.
  
• Cabinet
  Each cabinet is designed to provide maximum support for every spa. Match your favorite shell color with eye-catching panels available in select colors.

Strength Starts Underneath

With a strong foundation our spas are built to last.

• Fiber Steel
  How a Spa shell is built determines everything from longevity to durability to withstand every outdoor element. Cal Spas Patented 5-layer laminate design incorporating reinforced steel and wood is the strongest in the industry. Cal Spas Fiber steelTM process has proven to lead the industry in shell design, efficiency and performance.
• Frame
  Our cabinet frames are treated to resist rot, corrosion and insects. Constructed using 1" galvanized steel fasteners, corner gussets, and vertical angle bracings for added beam support.
• Plumbing
  This safety break feature automatically reduces pump suction in the event of an obstruction or intake blockage.
• Foam
  This high-density foam is added to support the plumbing underneath so nothing gets out of place0

Life Pleasures

To be in a spa feels great, add the extra, then it becomes perfect!

• Hydro-Streamers™
  Up to eight breathtaking LED Hydro-Streamers™ instantly turn any backyard into a beautiful tropical paradise option on selected model.
• Exterior Lighting
  LIGHT UP THE NIGHT - Illuminate your spa cabinet with multi-colored 4 corner lighting!
• Sound System
  Includes Bluetooth, Powered Subwoofer and Cube Speakers. Bluetooth technology lets you control your music through your smart device from anywhere inside, or outside your Cal Spas Hot Tub. *Optional Feature
• WI-FI
  Using Wi-Fi allows you to control your spa from anywhere in your home. Turn your spa on and off with ease. Control your filter cycles, the temperature and the pumps. You choose! *Optional Feature
• WI-FI Upgrade
  Upgrade to Wifi Connect. This innovative feature leverages the power of your home’s Wi-Fi network, granting you remote access to control your spa anytime, from anywhere within your connected environment.

Upgrade Options

• Red Light Therapy System
• Blue Light Therapy System
• Dynamic Flow Control
• Pure Cure UV Purifcation System
• Cal Grip™
• Cal Connect RF Module
• Freedom™ Sound System
• Thermo-Guard™ Full Foam Insulation

• Adjustable Jets
• Massage Jets
• Twin Pure Silk™ System Dual Ozonators with Mazzei Injectors and Mixing Chambers
• Locking Cover
• Touchscreen Control
• Laminars (Water Ropes)
• Swim Jets
• Bench Seating
• River Jets
• Thermo-Guard™ Full Foam Insulation
• Made in USA

• Cal Connect RF Module
• Freedom™ Sound System
• Pure Cure UV Purification System
• Dynamic Flow Control - Variable Speed Swim Pump

• Type: Swim Spas
• Max Jets: 37
• Number of Pumps: 3-4
• Total Brake Horsepower: 18.00 BHP
• Seats: Up to 4 Adults
• Holds: 1800.00 Gallons
• Filled Weight: 15028 Pounds
• Dry Weight: 1800 Pounds
• Length: 170.00"
• Height: 51.00"
• Width: 93.00"
• Shape: Rectangle