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All hot tubs use a circuit board to manage essential functions, such as the filtration system, lighting, pumps, as well as shut-off functions designed to keep users safe. So, a circuit board that has stopped working can really hamper the enjoyment of your spa. Master Spa Parts to the rescue! We have a vast inventory of replacement circuit boards, including this MAS1600 PC Board (V/N 55241).

To restore service to your hot tub, Master Spa Parts include fast, complimentary shipping for customers buying this New MAS1600 circuit board in the Continental United States.

Same great Down East Spas quality, The Down East Somerset 3-Button Overlay 2010 is a variation on the company’s light blue three-button decal for Somerset spas (SKU: X509142) For control panel protective covers with lessened functionality due to constant use, as well as the heat and humidity of being near a hot tub, this overlay will restore the tactile function and appearance of your topside control panel.

The Grey, Legend Small Waterfall Pillow (4 Pins) is made to go with the Master Spa Legend Series Hot Tubs.

The Master Spas Freeze Plug Kit contains a plug set that works on most spa pumps. This can be loosened to drain any trapped fluid within your pump. Replacing a broken pump ? Make sure to get new freeze plugs as well.

Connect your audio system to the controller of your Master Spa hot tub using this stereo adapter. Order the stereo adapter you need for your Master Spa controller today. 

The 8' x 15' Axis Swim Spa Cover for the H2X Trainer 15 Spas is a hassle-free cover for your swim spa! Made with high-tech rolling technology, this energy-efficient cover is effortless to operate, and it makes taking on and off your swim spa cover easier than ever. Available in dark gray Midnight. 

Durable 2 inch 90 degree VGB-standard suction adapter is designed to work with our standard 2 inch suction covers for Master Spa hot tubs. Perfect for constrained spaces and comes with a vacuum break at the 90-degree angle.

Introducing the hassle-free 8' x 12' Axis Swim Spa Cover designed specifically for H2X Trainer 12 Spas. Crafted with cutting-edge rolling technology, this energy-efficient cover ensures effortless operation, making it easier than ever to take on and off your swim spa cover. Available in dark gray Midnight. 

50/60Hz 12V DC Power Supply provides a regulated power source (up to 12V) to small appliances and devices with universal short-circuit protection. Designed and built to withstand the harsh conditions associated with use in spa and hot tub applications.

6 Filter set for Master Spas Swim Spas

The 8' x 19' replacement cover (94" x 231") is designed to fit your Master Spas® H2X swim spas and Michael Phelps swim spas. This replacement spa cover (SKU: Cover 19) is a 4-piece cover that comes in 18 different color options. Both styles offer heat seam pillows that prevent heat loss through the seams of your spa and upgraded rubber grip handles.

Keep your water hardness levels on track and avoid spa corrosion with Spa Ease Liquid Calcium.