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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.

KEC Remote Eye. Control your spa’s theater system from the comfort of your hot tub. The KEC Remote Eye turns your clicks on your remote into executable commands that allow you to switch the channels on your television or radio.

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.

This is the replacement part for the hardened foam end cap rubber sleeve piece for the CoverMate I.

The Pump, 2HP 2 Speed 48 Frame is a powerful replacement pump for the select Contractor, Down East, H2X, Legacy, Legend Series Master Spas and Twilight Series models. A broken pump should not ruin your fun. Order a replacement for your spa/hot tub today and get back to enjoying.

Improve your mood and clear your mind with the cool, revitalizing scent of Eucalyptus Spa Crystals. Simply add a generous scoop to complete your spa experience!

Quiet your anxiety and reduce stress with the calming, floral scent of Lavender Spa Crystals. Simply add one scoop to complete your spa experience!

Enjoy a therapeutic soak with the warm, soothing scent of Vanilla Spa Crystals. Simply add one scoop to complete your spa experience!

Use this SilkBalance Clean Start Plumbing Line Cleaner to deep clean your spa once a year, and prior to initial usage. Within hours, this concentrated liquid rids your plumbing of deposits and residue.

Clear your mind and soak your tired, sore muscles with the sweet, relaxing scent of Jasmine Spa Crystals. Simply add one scoop to complete your spa experience!

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.

The 4.0kW Heater (V/N 55950) is a replacement part for selected models of the H2X Swim Spas (Momentum 80, H2X Momentum) and Michael Phelps Swim Spas (Momentum 80)

Easily installable so you can get back to enjoying your heated Swim spa and hot tub in no time at all.