The Grundfos Multilift 97901068 22.3.4 is a submersible sewage lifting station featuring a 2.5 kW, 3x400 V pre-assembled pump. It incorporates a pressure-tight collection tank with a rotatable DN 100 inlet flange and multiple DN 150, 100, and 50 inlet sleeves. Level detection is managed by a millimeter-precise piezoresistive pressure sensor linked to a microprocessor control unit.