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Mini Max Digital 240 V Circuit Board 1503D59D

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Mini Max Digital 240 V PC Board 1503D59D

  • CTI, Aqua Spa Pak, Strong, Pacific
  • Revision R59D
  • Replaces 1503D59C
  • Compatible topside controller 1-628B-S


This circuit board for spas is reverse compatible with all previous models of the Mini Max PCB.




Before Installing Verify You Have The Correct Replacement Part. Once Circuit Board Is Installed It Is Not Returnable. 1 Year Warranty


  • 5
    Circuit board

    Posted by Dan Larsen on Jul 09, 2024

    Couldn’t repair original.
    This got my Pacific Spa back up and running.

  • 5
    motherboard 1503d59d

    Posted by Dave Frame on Jan 24, 2024

    Works good . These motherboards can last as long as 4 to 5 years. My 20 year old tub has
    gone through 6 boards .Had one that only lasted 18 months. thx

  • 5
    Circuit Board Replacement

    Posted by Scott McLean on Apr 11, 2022

    Product worked as expected and solved my problem of no heat. Easy enough to install.

  • 4
    Functional but not fully compatible with current touch panel button

    Posted by Jonathan Caron on Sep 24, 2020

    Functional but not fully compatible with current touch panel button
    Second pump does not start only main pump/heater is working

  • 4
    Circuit board

    Posted by Unknown on May 07, 2018

    As it turns out it wasn’t the board that was the problem but am going to keep it as the hot tub is 15 years on and being a elec. I know the original won’t last forever.