Sundance® Spas 6600-726 PCB, Sundance J-LX/J-LXL, Universal (w/Circ Pump Only)
Replaces Sundance 6600-288. Also replaces 6000-167. Includes Micro Chip 3.61A. For 2-Pump systems. This board operates a circulation pump. If the spa does not have a circulation pump, then use 59-453-1026.
Jumper settings are as follows: Jumper 2 - On 1 Pin - 15A, On 2 Pins - 50A Jumper 4 - On 1 Pin - 2 pumps, On 2 Pins - 1 pump Jumper 6 - Used along with Jumper 2 Jumper 8 - On 1 Pin - Celsius temp display, On 2 Pins - Fahrenheit temp display