Hot Tub and Spa PC Boards › Marquis MQL15UR1 Circuit Board 600-6302 Image 1 of 2 Image 2 of 2 Marquis MQL15UR1 Circuit Board 600-6302 $619.00 PCB, Marquis, Mql15Ur1 Brand: Marquis Spas Chip Number: MQL15UR1(x) Add To Cart Added! PCB, Marquis, Mql15Ur1 Brand: Marquis Spas Chip Number: MQL15UR1(x) Customers also purchased 33-0045A-K HQ-Gecko, Y Series ye-5 PCB Circuit Board $239.00 MAS501S Master Spa Circuit Board X801024 Sale Price: $379.00 Original Price: $469.00 Sale 775-0010b Waterway NEO 2100 PC Board Control Board, REV D $399.00 Balboa VS511Z Circuit Board 33-54383-K Sale Price: $299.00 Original Price: $365.00 Sale MS50U Master Spas PC Board X801159 Sale Price: $359.00 Original Price: $399.00 Sale