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If all of the sudden, you find your spa's jet pumps, filters, jets, or water temperature stability begin to fail all at once, there's a good chance it may be due to the circuit board.

When you check out our online store, you'll find the Master Spas® 501X daughter pc board from Master Spas® and many other economical spa circuit boards. You can expect fast and free shipping options when you purchase this Momentum 80 circuit board replacement from the Master Spa Parts online store. 

This 7.5' x 13' Swim Spa Cover for your H2X Therapool swim spa is a folding cover for your swim spa! This cover is extremely easy to operate and it makes taking on and off your swim spa cover easier than ever.

Spa Cover Strap Loick Set

Enjoy premium sound from the 360 Freedom Spa Speaker specially designed and built for your Freedom Spa.

The Grey Legend Lounge Pillow fits the Down East Spas, H2X Swim Spas, and Legend Series Master Spas line of hot tubs.

Elevate your aquatic experience with this water-resistant Bluetooth Speaker from Master Spas. Enhance your hot tub sessions with powerful 40W sound and bass boost. This spa-side speaker provides effortless wireless connectivity and a water-resistant design for seamless music streaming without cords or docking. Plus, your perfect soundtrack is always within reach thanks to 10-hour battery life.

Swim Spa XP Motor & Harness

Replacement mineral cartridge for the Spa FROG Serene Floating System or pre-installed Spa FROG inline system.

Specifically designed for budget-conscious consumers in need of a hydraulic spa cover lift, the CoverMate III Eco delivers many of the same high-performance features of the CoverMate III from Leisure Concepts, yet at a price that’s nice. If you’ve been searching for an affordable hydraulic spa cover lift, you’ll be happy to know that this item comes with free shipping (in the continental US) from Master Spa Parts!

Have you been searching for a spa grab bar that can be used for lower body workouts, or as a handrail for getting in and out of your swim spa? The RX Swim Spa Contoured SST Grab Bar is a great option. Its unique contours allow for an easy grip and its heavy-duty construction resists rusting and corrosion.

If you've pinpointed your spa's issue to the circuit board, replacing your board can bring back many essential functions and safety features, such as your lights, heat sensors, high-limit sensors, and jet pumps.

At Master Spa Parts, we're proud to carry a diverse selection of circuit boards, including this Master Spas® circuit board, sold under the product name of "Master Spas® Circuit Board MAS400 PC Board (V/N 52185)" in our online store.

Swim Spa Propulsion Control Panel (V/N 50209)