For combination with a KESSEL technology kit for creating a Minilift S small lifting station for wastewater without sewage. The ready to plug in small lifting station for wastewater without sewage is suitable for the disposal of wastewater from individual drainage sources. The submersible pump with float switch can be removed easily with the help of one-handed closures. The collection tank made of polymer (PE) has an open pump tank and is resistant to aggressive wastewater. The system for installation in the floor slab is pre-assembled for final installation on site. KESSEL shell kit consisting of: - With vertically adjustable upper section for continuous height and level compensation and integrated floor drain - Includes backflow preventer for the pressure pipe - Includes DN 50 connection socket for inlet and conduit pipe