PCB, Sundance Spas, 850 Series, LCD, 2 Pump, 2-Spd, 2014 : 6600-730

PCB, Sundance Spas, 850 Series, LCD, 2 Pump, 2-Spd, 2014 If 850 Series (1999-2005) or if Pump 1 is 2-speed, use 6600-730 as a replacement. If 880 Series (2005-2010) or if Pump 1 is 1-speed, use 6600-728 as a replacement.System Year Details/ModelsJ-300 LCD Series2002-2006J-370/J-375, J-360/J-365, J-350/J-355 Circuit Board Application: Sundance Circuit Board Model: 850 Circuit Board Type: New Manufacturers Part Number: 6600-730Replaces 956473,