Hydro Quip "Slide Heater" Pneumatic Control System CS-6009-US1-HC (Includes GFCI) Heater assembly slides along the back to match existing plumbing or it can be removed and set up to 24 inches away This control box operates by air (Air buttons are supplied) Listed below are the functions of each circuit Pump1 = 2 Speed @ 120 or 220 Volts Air Blower @ 120 or 220 Volts Ozone @ 120 or 220 Volts Light @ 12 Volts Replacement pack for CS1001-A, CS9001-A, and CS9000-A