PDF: Wilo-DrainLift S


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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


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).

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

Type key

Example: DrainLift S 1/6T-RV
1Number of integrated pumps
6Max. delivery head in m
TMains connection version:
M = 1~230 V
T = 3~400 V
RVPressure connection version
without = no non-return valve
RV = with non-return valve

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