2 SPEED - 4.0 HP 230 Volts 12.0/3.5 Amps (Includes Unions) This pump serves as a universal aftermarket replacement for many different Spa Pump manufacturers - including Aqua-Flo by Gecko, Balboa, Waterway, ITT, ETC **This is a standard type pump with a welded-on base for normal installation. If your pump has an external base with a clamp, you need this version. (56WUA400-II (NF)** **If you currently have a barb fitting screwed into the front of your pump and would like to replace it you can find it in "Related Items"** SPECIFICATIONS: Horsepower: 4.0 HP Voltage: 230V Amps: 12/3.5 Frame Size: 56Y HZ Rating: 60HZ Intake Size: 2" MBT (Measures 3" OD) Discharge Size: 2" MBT (Measures 3" OD) Discharge Location: Side Flow Rate: 202 GPM Dual Speed Includes Unions Cord O-Rings Does NOT Include Pump Cord (See Related Items) This pump can be wired as a single or dual speed.