1995-1997 Sundance® Spas 6600-018 Circuit Board, No Circulation Pump, 850 Series Models Capri, Corum, Marin, Optima

6600-018, Sundance® Spas Circuit Board, 850 Series 1995-1997 without Circulation Pump

A. 1995: (6600-014 was used until 10/95 then was replaced by 6600-018) Cameo 850, Capri 850, Corum 850, Marin 850, Optima 850
B. 1996: Cameo 850, Capri 850, Corum 850, Marin 850, Optima 850
C. 1997: Cameo 850, Capri 850, Corum 850, Marin 850, Optima 850

6600-018, 1995-1997 1- and 2-pump systems without Perma Clear (No circulation pump) (EPROM Rev. 1.29E+ included).

Also used for ingrounds with 850 system from 1993 - Present. This will retrofit 6600-014 board.

Note: 6600-017, 6600-018, 6600-023, 6600-028, are the same boards with different EPROMs.

A circulation pump is a small pump.  It is used to constantly circulate your spa water.  You may see bubbles even when the main pumps are not running. It is not one of the main jet pumps.