25S15-9 - 4" Multistage Submersible Well Pump - 230VGrundfos 25S15 9 4" Multistage Submersible Well Pump 230V Multi stage submersible pump for raw water supply, groundwater lowering and pressure boosting. The pump is suitable for pumping clean, thin, non agressive liquids without solid particles or fibres. The motor is a 1 phase motor with sand shield, liquid lubricated bearings and pressure equalizing diaphragm. Features Improved octagonal discharge: Ensures better engagement with a pipe wrench for