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Bring your spa theater system and music to life ! The TST239 Silver transducer is designed specifically for spa theater systems that are in the H2X Swim Spa line.

2 foot Master Spas STS Spa Harness Extension. This unit allows customers to create an extension to the wiring harnesses that come with the theater systems on Master Spa series of hot tubs.

The 8' x 11' Axis Swim Spa Cover for your H2X Therapool Spas is a hassle-free cover for your swim spa! Made with great rolling technology, this energy-efficient cover is extremely easy to operate, and it makes taking on and off your swim spa cover easier than ever. Available in dark gray Midnight. 

MP Swim Spa, Spa Side Control Panel MP8

The 78" x 66" Hot Tub Cover (Long-edge Fold) is an exact Master Spa Factory OEM replacement. It is specifically designed to fit your Master Spas® hot tub. This cover is extremely energy efficient, as it's made of a 1.5-pound foam density, six-inch thick foam insulation (which tapers to 4-inches along the sides), and a full-length heat seal. It has been upgraded to include two rubber grip handles and is made of a high quality marine-grade vinyl covering that is mildew treated.

Note: This particular cover folds along the longer 78" edge. If you need a cover with these same dimensions (66" x 78") but that folds along the short edge, try our 66 × 78 Inch Hot Tub Cover (Short-edge fold).

SpaBoss Ultra Spa is the simple and easy product to keep your hot tub water conditioned and your skin soft and smelling fresh. This product works with all sanitizers and hot tub chemicals and contains borates to clarify your spa water.

SpaBoss Spa Clear is the quick way to restore clarity and diamond-like brilliance to your spa or hot tub. Clear water makes hot tubs more enjoyable, so use a reliable product to keep it sparkling.

Enjoy this comfortable deluxe spa booster seat – with 5-inch thick cushion for maximum comfort and lift while using your hot tub!

As the "brain" of your hot tub, the circuit board plays a huge part in controlling water flow, filtration system, high-limit sensor, jets, lights, and blowers. Within our online store, Master Spa Parts offers a bountiful selection of hot tub circuit boards, all competitively priced. This MS81 Spa Pc Board from Master Spas® is especially appealing to those looking to bring their spa or hot tub back to a fully functional state. Our online store carries the Michael Phelps swim spa board PC board, as well as many economically priced replacement parts. Order today and get fast, free shipping from Master Spa Parts!

The 20 Amp Fuse by Master Spas is an exact replacement part for your original fuse. It is made to go in your spa’s PC board and supply power to the rest of your spa and its features. The piece is durable, affordable and will provide prolonged enjoyment of your spa.

Once you have the SmartBar hot tub bar installed it’s impossible to go back to the old ways. Just picture always having your favorite drink, smartphone, or e-reader just a reach away. This spa-side bar installs easily and comes with everything you need to set up your soon-to-be favorite hot tub accessory.

39" L X 14" W

Calm your mind and body with the alluring, juicy scent of Pomegranate Spa Crystals. Simply add one scoop to complete your spa experience!