This 40L submersible pump comes with float switch control and discharge extension and is perfect for emptying water butts. The float switch turns off automatically when the water level has dropped. This product is supplied with 3 piece aluminium swan neck extension pipes and a snap on connector. Technical Details: Voltage:                           230VMaximum output:             40L/minMaximum head height:      11MMotor:                              350WFloat Switch:                     YesOutput aperture diameter:  N/AMax particle diameter:       3mmHose adaptor diameter:     19mm Instruction Guide:Installation Guide for 40L Submersible Water Butt Pump with Float Switch Spare Parts Listing Sheet:Spare Parts Listing Sheet for 40L Submersible Water Butt Pump with Float Switch Technical Details: Voltage 230VMaximum output 40L/minMaximum head height 11MMotor 350WFloat Switch YesOutput aperture diameter N/AMax particle diameter 3mmHose adaptor diameter 19mm