REV 5.03 (1) REV. (1) REV. 1.24 (1) REV. 1.28GX+ (1) REV. 3.1A+ (1) REV. 3.60A (1) REV. 3.61A (1) REV. 3.83 (2) REV. 5.54 (1) REV. 5.57 (1) REV. 9.60B (1) REV. A (1)

880/850 Series (1) J-100/200 Series (1) J-300 Series (3) J-380/385 Series (1) J-400 Series (2) J-500 Series (1) Lexus (1) LX10 (1) LX15 (1) Maxxus (2) R327/R641 (1) R472 (1) Sweetwater (3)

3 Pump Version, Used as of 09/2015+ (1) 50 Hz Export version, Can run 3 pumps (1) 6600-390 formerly 6600-176, 6600-164, 2008+ 880 NT systems, 2-pump with PermaClear (1) 6600-720 formerly 6600-046, 6600-287, Sundance Spas, Jacuzzi, Sweetwater Circuit Board, Without Circ Pump Logic (1) 6600-722 formerly 6600-042, 6600-289, 6600-089 Sundance Spas, Jacuzzi Spas, Sweetwater Circuit Board, 2002+, Used on 1 Pump Unit (1) Can run 2-pumps, Replaces 6600-420 (1) Circuit Board for the Lexus and Lexus LC models, 1997-1999 (1) Fits all 04/2017+ 780 Series models (Montclair, Bristol, Hanover, Chelsee, Hamilton) EXCEPT Sundance Dover. (1) Pro-Tec 3-Pump Replacement Circuit Board (1) Replacement For Circuit Boards: 6600-288, 6600-088, 6600-167 (1) Replaces 6600-028, 6600-056, 6600-092, 6600-161 (1) Replaces 6600-155, 6600-160 and 6600-398, 3 Pump Systems (1) Supports (2) 1-speed pumps with ozone and light circuits (1) This LX-10 Circuit Board is a reliable replacement for 6600-044, 6600-085, 6600-086 and 6600-286. (1) This will work on 2005 to 2015 Sundance 880 Series spas Altamar, Cameo, Optima, 2007 to 2015 Marin, 2006 to 2009 Jacuzzi J-400 m (1) Used on the 800 series in 1994, 1 Pump and 2 pump models with PermaClear and circ pump (1)