GRUNDFOS UNILIFT AP12 is a submersible drainage pump. Vertical single-stage stainless steel submersible pump with vertical discharge nozzle and submersible 1-phase electric motor, with built-in thermal protection, insulation class F. The pump is equipped with a filter in the base and a float switch for automatic on and off. The impeller is half open. Pump for pumping domestic and industrial wastewater, rainwater, in the presence of solid particles up to 12 mm in size. The pump has a double sealing system with an mechanical end seal and an oil seal chamber with non-toxic oil. The pump has a vertical discharge nozzle, a casing for cooling the electric motor, which is constantly washed with the working fluid. Rolling bearings with long-term lubrication do not require maintenance. The pump is ready to install, equipped with a carrying handle and supplied with a 10m power cable. A power cable with a plug electrical connector and sealed wire contacts to prevent moisture from entering the stator windings.