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At Master Spa Parts, we carry the Master Spas® Legend® Series Topside Controller Decal to replace controller overlays from the late 1990s and early 2000s. This Standard Series Overlay features beautiful graphics and will stand up to years of constant heat and humidity.

Get the most out of your H2X® or Michael Phelps Signature swim spa by purchasing a high-quality Pleatco® replacement filter PWW50P3 to work alongside your H2X® Eco Filter. All Master Spa Parts orders are shipping out within 48 hours — order your H2X® swim spa filter cartridge replacement today!

Swim Spa Combo-MSWIM15 Overlay 2010

Swim Tether Mini is a compact single-pole version of the 3-Part Swim Tether that measures 24 inches in height. This shorter version is ideal for water aerobics and physical therapy sessions. A minimum of fourteen feet of swim space is recommended. Ideal for attachments such as handle grips or ankle straps.

SpaBoss Prevent II is used to get rid of staining and scaling in your hot tub and prevents it from building up in the first place. Sold in a 16 oz bottle, this liquid is a concentrated and multi-purpose stain and scale treatment that is easy to add to any hot tub.

The 2 inch Standard Pump Union is a standard pump union used for complete assembly of your replacement pump. Should fit any 2 inch end on most pumps.

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. 

If you have the know-how, restoring your spa's jet pumps, lights, high-limit sensors, blowers, and other essential features with a new circuit board can be a piece of cake. When you purchase your Master Spas® MS 5100S Circuit Board V/N: 56122 from Master Spa Parts, you can expect a quality replacement board and terrific savings.

This Master Spa Factory OEM 78” x 78” hot tub cover replacement (SKU: X120240)  is specifically designed to fit your Master Spas® hot tub. This cover is energy efficient as it consists 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 to help prevent heat loss. It is also made of a high end marine-grade vinyl covering that is mildrew treated, and consists of upgraded rubber grip handles.

The pump marvel drains up to thirteen times faster than siphoning or draining! Unlike a garden hose, this pump does not lose its prime, and can lift and discharge water up to 20’ high. Don’t be fooled, the pump marvel is not a siphon, it’s a true pump! Please note that this pump does not take electricity.

The heater gasket o-ring is a replacement part for the o-rings that come with your spa and support the heater gasket so that there is a tight fit. If you don’t see your model listed, it may still work – so please give our customer service a call!

The Pivot Arm for CoverMate III Eco B is one of the parts that makes up this economically efficient choice for a hydraulic cover lifter. The Pivot Arm connects to the mounting brackets and the support arms and is sold here by Master Spa Parts. It is recommended that you do not use the CoverMate III Eco B during high winds as to protect the cover and the hydraulic cover lifter from possible damage.