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Circuit boards are extremely important and crucial as they control the overall functioning of your spa or hot tub. Every spa circuit board sold by Master Hot Tub Parts is a factory-direct OEM replacement part from Master Spa. We are dedicated to providing the highest quality, dependable, and high-quality replacement circuit boards to our customers. Some of our circuit boards include the Master Spas Balboa Circuit Boards, MAS560 Circuit Boards, and MAS470 Circuit Boards. We always keep a large and vast selection of master spa circuit boards in stock that includes free shipping to anywhere in the continental United States! Additionally, it is important to remember to not order a replacement board on looks alone!

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Hot tub parts and maintenance