
This board has been discontinued and is no longer available. The control system would need to be replaced. Here isa. link to the recommended replacement kit: 110239
Coleman / Maax Spas BOARD, 736 - 737 SYSTEM, 2003 to 7-1-2006 - 103098
Circuit Board: 2003-2006 700 Series (chip 736R1, 737R1) Coleman Circuit Board 432 8 pin phone style connector Chip Number 736R1(x)
Balboa Part number: 52719