Wilo-DrainLift S

Series description

Special features/product advantages

  • Space-saving installation
  • Easy to install thanks to an integrated non-return valve (type “RV”)
  • Flexible due to free selection of inlets
  • Reduced residual water volume

Design type

Compact sewage lifting unit as single pump system


Pumping of sewage containing faeces (according to DIN EN 12050-1) that cannot be returned to the sewer system using natural falls, and backflow resistant drainage of discharge points below the backflow level (according to DIN EN 12056-1).


  • Ready-to-plug
  • Thermal motor monitoring
  • Level control with float switch
  • Switchgear with potential-free output for collective fault signal
  • Non-return valve integrated (“RV” version)

Scope of delivery

Sewage lifting unit ready for connection with connected switchgear and plug:

  • Switchgear with mains-independent alarm and plug:
  • 1x inlet seal DN 100
  • 1x hole saw for inlet connection DN 100
  • 1x non-return valve DN 80 (version “RV”)
  • 1x collar for connection of diaphragm hand pump or inlet connection Ø50 mm
  • 1x collar for ventilation connection DN 70
  • 3x sound absorption strips for sound insulation installation
  • Fixation material
  • Installation and operating instructions

Type key


DrainLift S 1/6T-RV




Number of integrated pumps


Max. delivery head in m


Mains connection version: M = 1~230 V T = 3~400 V


Pressure connection version without = no non-return valve RV = with non-return valve

Technical data

  • Mains connection: 1~230 V, 50 Hz or 3~400 V, 50 Hz
  • Operating mode: S3-15%, 120 sec
  • Fluid temperature: 3…40 °C, short-term 60 °C
  • Max. ambient temperature: 40 °C
  • Max. switching volume: 21 l
  • Flooding height: 2 mWs for max. 7 days
  • Pressure connection: DN 80
  • Inlet connections: 1x DN 40 / 1x DN 100 (freely selectable)
  • Ventilation connection: DN 70
  • Lifting unit protection class: IP68
  • Switchgear protection class: IP54


  • Tank: PE plastic
  • Motor housing: stainless steel 1.4404 (AISI 316L)
  • Hydraulic housing: PE/PUR plastic
  • Impeller: PUR plastic


Ready for connection, fully submersible sewage lifting unit as single-pump system, with gastight and watertight collection reservoir with diagonally running collection chamber for deposit-free and safe operation, freely selectable inlets, level control with float switch and single-phase or three-phase motor with thermal motor monitoring.

Preinstalled switchgear for automatic operation, with a potential-free contact for the collective fault signal, integrated and mains-independent alarm, adjustable follow-up time and attached plug.


General overview 2018 International version

Article Number 2200591
Edition 2018
Version number 1
Page format 209.9 x 297.0 mm
Number of pages 72

PDF (11 MB)



PDF: Wilo-DrainLift S


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