Year	System	Board	Details
1983	301 - 110 VAC	6500-227	Unavailable
	301 - 220 VAC	6500-231	Obsolete there is no retrofit
1984	501	N/A	Obsolete there is no retrofit
1985	552
	553
1984-1985	601 / 602	N/A	Obsolete there is no retrofit
1986	603	N/A	Obsolete there is no retrofit
1987	604
1988-1990	605
	624	N/A	Obsolete there is no retrofit
1989	505	N/A	Obsolete there is no retrofit
1989-1990	701/724	N/A	Obsolete there is no retrofit
1989-1991	701/724 inground
1991	600	6000-560	Discontinued
	Suncoast	6000-561
	Suncoast SE	6000-562
1991-4/1993	800	6600-021	Rev. 50P, 1 & 2 pumps (replaces 6600-010 1-pump board)
1992	600-S	6600-032	This is also a 400 board
	Suncoast SE
	Suncoast
	Montego LX	6600-033	2 pump 600 LED board, unavailable use 6600-053 board
1993*-1994	400	6600-032	All 240 VAC system
1993-1994	600 LED	6600-033	2 pump system, unavailable, use 6600-053 board
		6600-043	1 pump system, unavailable, use 6600-055 board
1993-Present	850 Inground	6600-018	Will Retrofit 6600-014 board
1993	800	6600-030	Unavailable, use 6600-014 board
1994		6600-040	Rev. 1.24C, 1 & 2 pumps with PermaClear
1991-9/1992	800 Inground	6600-021	Also Order Updated Eprom Rev. 50G 6660-254
10/1993-1998		6600-014	without PermaClear
1992-1995	400 Montego	6600-033	2 pump system, unavailable use 6600-053 board
1995	400 Tango	6600-043	1 pump system, unavailable use 6600-055 board
1993-8/1995	600 / 650	6600-033	2 pump system, unavailable use 6600-053 board
		6600-043	1 pump system, unavailable use 6600-055 board
1995	850	6600-013	Rev. 1.25C - with PermaClear
		6600-014	Rev. 1.27C - without PermaClear
9/1995-5/1997	600/650	6600-053	2 pump system, retrofits 1993-95 400 boards w/chip change
		6600-055	1 pump system, retrofits 1993-95 400 boards w/chip change
10/1995-1996		6600-017	Rev. 1.28FB - w/PermaClear
10/1995-12/1997		6600-018	Rev. 1.29E or higher - w/o PermaClear (or Inground Spas)
*After 10/94 all 400 Series used 6600-043 board except Montego; 6600-043 board replaced by 6600-055 board
4/1996-4/1998	Suntub DV/SV	6600-032	This is also a 400 board
6/1997-12/1999	750	6600-059	Rev. 4.00C w/o PermaClear (Includes 98-99 Tango Systems)
		6600-027	Rev. 4.50D or higher w/PermaClear (Not for Tango Systems)
1998-1999	Sweetwater, 1 Pump	6000-218	Vail, Aspen, Austin, Telluride, Olympia, and Cheyenne
	Sweetwater, 2 Pump	6000-217	Hartford and Madison
1997-2000	850 Sundance	6600-028	Rev. 1.28GX or higher - w/PermaClear Use 6600-730
1999-2000	850 Maxxus	6600-023	Rev. 1.30B or higher - w/IsoPure
2001	850 Sundance NT	6600-056	Rev. 1.28K or higher - w/PermaClear
2002+		6600-092	Rev. 9.50B or higher - w/PermaClear Use 6600-730
2001	850 Maxxus NT	6600-057	Rev. 1.30D or higher - w/PermaClear
2002-2004		6600-094	Rev. 9.60B or higher - w/PermaClear
2005+	880 Sundance	6600-098	Rev. 9.51A or higher - w/PermaClear Current board use 6600-728
2005+	880 Maxxus	6600-155	Rev. 9.61A or higher - w/PermaClear Current board use 6600-392
2000-2001	Sweetwater 1-pump and 780 1-Pump series	6600-082	Cyprus, Aruba, and Bali  Current Board use 6600-722
2002		6600-289	Cyprus, Aruba, and Bali Current Board use 6600-722
2003-2004		6600-286	Sweetwater Lagunas (Rev. 3.56+ or higher Eprom) Current board use 6600-724
2005+		6600-288	780 Cayman (Rev. 3.56+ Eprom) Current board use 6600-724
2005+		6600-286	780 Lagunas (3.56+ Eprom)Current board use: 6600-724
2000-2001	Sweetwater 2-pump and 780 2-Pump series	6600-083	Palermo and Bahia, unavailable, was #6600-087 board. Current board use 6600-720
2002		6600-287	Palermo and Bahia (Rev 5.51 or Higher Eprom) Current Board use 6600-720
2003-2004		6600-288	Sweetwater Palermo, Bahia, and Cayman (Rev. 3.56+ Eprom) Current Board 6600-726
2005+			780 Palermo, Bahia, (Rev. 3.56+ Eprom) Current Board use 6600-726