Marquis Spas MP20 circuit board P/N 600-6315 with the chip number MQBP20UX-BS R2A. This is a specialty board please call to confirm compatibility.
Returns:
Hot Tub circuit boards are non-returnable items as they cannot be resold. All the replacement circuit boards we sell are factory-new, factory-tested and have never been installed before. For further information, please refer to our return policy. All circuit boards come with the original manufacturer's warranty.
If you’re not sure which board is the correct replacement for your spa, please call us 1-877-845-1993 or text us a picture of your old circuit board 548-488-4942 and we’ll help.