SMARTOUCH DIGITAL 2000 WITH KP-2020TP CONTROL PANELThe 2000 can control a 2 speed primary pump, a 2 speed secondary pump ( or dual pumps single speed) , a single speed air blower ( or a fourth pump), a 12 volt spa light, an auxiliary light and an ozonator. The system comes with a calibrated pressure switch, a heavy duty 2 pole contact to control the 5. 5 KW attached heating element. Dimensions: 15 3 8"L x 14 1 2"H x 3"W NAME MODEL# CIRCULATION PUMP PUM PUMP 2 AIR BLOWER OR PUMP 3 *PUMP 4 LIGHT HEATER