Jacuzzi® Hot Tub Printed Circuit Board LED J300. Part No.6600-724
Jacuzzi® Hot Tub Printed Circuit Board (PCB) LED Part No.6600-724 is suitable for the following spas: 2002-2006 J310, J315, 2004 J325, 2007-2011 J315, 2012-2013 J315, J325. Note the picture used is a generic sample and it may not resemble your actual PCB.
Note this is the replacement board for the 6600-286 and 6600-044