Master Spa – Hot Tub Circuit Boards

Circuit boards are critical and crucial as they control the overall functioning of your spa or hot tub. Every spa circuit board sold by Master Spa 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. We always keep a large and vast selection of Master Spa circuit boards in stock that include 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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    Most likely you're visiting our online store today because your spa's circuit board has failed. And, we'd like to say you've come to the right place! As one of the most trusted online spa parts vendors, Master Spa Parts offers this MS1000 External PCB (V/N 53290) from the original equipment manufacturer at a great value. To make this offer even better, we provide free shipping on this external circuit board replacement for MS1000 to all destinations in the Lower 48.

    MS1000 External PCB
    $112.04
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    Many repair shops will quote astronomical prices on replacement circuit boards. A PCB is essential to your spa's proper operation, but that doesn't mean replacing one has to break the bank. With this MS8500 PC Board (V/N 55849) Master Spa Parts aims to restore the essential functions of your hot tub or spa — and do so economically. This and many other Master Spas® parts are in stock and ready to ship.

    Those ordering this Replace Master Spas® MS8500 spa circuit board in the United States (excluding Hawaii and Alaska) will receive fast, free shipping — order yours today!

    MS8500 PC Board
    $1,003.87
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    Given enough time, all hot tub circuit boards will fail. But, that doesn't mean you have to give up on your hot tub altogether. At Master Spa Parts, we're happy to introduce this Contractor Series™ PCB, VS500Z (v/n 55140) at a great value to our website visitors.

    Let's make this whole broken-down hot tub a thing of the past by ordering this VS500Z (v/n 55140) Contractor Series™ PCB from the Master Spa Parts online store. Plus, most U.S. destinations qualify for free shipping!

    VS500Z PC Board
    $438.13
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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. 

    Master Spas 501X daughter pc board
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    Splitter for 3 Pump System

    Splitter for 3 Pump System
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    MS 300 AVU Pc Board

    MS 300 AVU Pc Board
    1 reviews
    $392.16
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    If you think of your spa's pumps, lights, blowers, and other features as members of an orchestra, the circuit board would be the conductor. Master Spa Parts is here to bring back harmony to your Master Spas® hot tub with our Circuit Board MAS100 PC Board (V/N 53065).

    Having a fully functional circuit board is essential, overpaying for your board isn't. That's why Master Spa Parts keeps our rates low so you can affordably replace a MAS100 circuit board — and don’t forget fast, free shipping to the Lower 48!

    MAS100 PC Board
    1 reviews
    $341.89
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    MS501 ZE Pc Board

    MS501 ZE Pc Board
    $385.00
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    VS 100 Control Pack

    VS 100 Control Pack
    $501.77
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    Without the circuit board, your spa or hot tub will simply lose the ability to carry out a number of functions. Lights, jets, filtration system, and other essential features may even all fail at once. Master Spa Parts online store carries a number of circuit boards - all competitively priced, such as this MS501X Pc Board from master Spas and others to get your hot tub back up and running. 

    The Master Spa Parts warehouse can help you to easily replace your MS501X circuit board. We also have many other economic-minded spa replacement parts. Get free, fast shipping when you order this product from Master Spa Parts today! 

    MS501X PC Board
    1 reviews
    $654.91
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    MS 40 U Circuit Board 

    MS 40 Cirucit Board
    $541.87
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    MS 90U Circuit Board

    MS90U Circuit Board
    $505.10
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Questions from Our Customers

Have a question about circuit boards? It may have been answered in the Q&A below.

Don't see your question answered by our team? Ask your own below. The hot tub experts at Master Spa Parts are ready to help.