This is the submersible range of the Grundfos AP50B-50-11-A1 stainless steel "Vortex" sewage and dirty water pumps. Initially designed for pumping domestic wastewater from toilets, these pumps are versatile enough to include grey water pumping, stormwater pumping, emptying pools or construction site trenches and even pumping out from septic pits or washdown pits. We supply the AP50B series in single phase 240v with an automatic on/off float switch, 3-pin plug with 10m of submersible rubber cable. The outlet size is 50mm male BSP and the motor is 0.75 kW. This pump will pump 300 L/min @ 7.2m of head. To download the spec sheets and installation instructions, click here. Click here for the pdf spec sheet.