Used centrifugal pump by Hydro-Vacuum S.A. (PL) type KS 5.11. Body of pump is designed in cast iron. Contact parts are designed in bronze. Working rotation up to 1450 rpm. Height in range from 10.8 m up to 13,2 m. Output from 4.5 m3/h up to 15 m3/h. Pump is driven with el motor 1.5 kW in Ex design (ExdIIBT4).