Control Head - Hydro Quip 120/240v 1-pump System w/GFCI (#CS6009-US1-HC) Controls: 1.5K/5.5KW Heater, 2-speed Pump, Blower, Ozonator and Light. All components can be converted from 110v to 220v Features a sliding heater that can be moved from bottom of pack to top of pack. Replacement pack for CS1001-A, CS9001-A, and CS9000-A