Grundfos Unilift KP 350 A 1 Sump Pump


Grundfos UNILIFT KP are stainless-steel submersible pumps designed for pumping non-aggressive water and grey wastewater such as drainage and domestic effluents with particles up to 10 mm. The pump can be used as a portable unit or stationary installation inside and outside buildings.

Suitable for

  • Water treatment - Commercial buildings
  • Domestic wastewater
  • Industrial wastewater

      Unilift KP 350 A 1
      Submersible drainage pump

      Vertical single-stage stainless steel submersible pump with vertical discharge port and integrated submersible 1-phase canned motor in insulation class F with thermal overload protection.

      The pump is fitted with suction strainer and a carrying handle and is supplied with a 5 m mains cable and float switch for automatic start and stop.

      The impeller is a semi-open impeller for 10 mm free passage suitable for pumping groundwater, surface water, rain water and similar liquids.

      The pump has a double shaft seal consisting of two lip seals with grease in-between.

      The pump has an outer casing ensuring continuous cooling of the motor by the pumped liquid. The rotor shaft operates in two maintenance-free carbon bearings cooled by the pumped liquid.

      The motor is filled with a non-toxic motor liquid.


      Liquid temperature range:    0 .. 40 °C
      Density:    998.2 kg/m³

      Maximum particle size:    10 mm

      Pump housing:    Stainless steel
           DIN W.-Nr. 1.4301
           AISI 304