Wilo-DrainLift Box


Wastewater lifting unit (concealed floor installation)


For concealed floor installation, can be used to drain

  • Rooms subject to possible flooding
  • Garage entrances
  • Basement stairways
  • Showers, washbasins, washing machines, dishwashers

Type key

Example: Wilo-DrainLift Box 32/8
Box Wastewater lifting unit (concealed floor installation)
32 Nominal diameter of the discharge port (DN 32, Ø 40)
8 Max. delivery head [m]

Special features/product advantages

  • Easy to install due to integrated pump and non-return valve
  • The large tank volume ensures a low number of switching operations
  • Easy maintenance
  • Stainless steel tile frame with trap
  • With extra connection for a second tank


  • Concealed floor tank: PE plastic
  • Motor: stainless steel
  • Hydraulic housing: PP-GF30 plastic with Box 32…, cast iron EN-GJL-200 with Box 40

Technical data

  • Mains connection 1~230 V, 50 Hz
  • Mains connection cable 10 m (5 m with 40/10), with shock-proof plug
  • Operating mode S3 ‐25%
  • Fluid temperature max. 35 °C, with 32/8 and 32/11 for short periods (3 min) 90 °C
  • Pressure port Ø 40 mm
  • Inlet connection 100 mm
  • Ventilation connection 100 mm
  • Protection class IP 67
  • Gross tank volume 85 l
  • Switching volume 22 l, 30 l with 40/10


  • Ready-to-plug
  • Plastic tank with already mounted drainage pump, pressure pipe and integrated non-return valve
  • Thermal motor monitoring
  • Level control with float switch


Automatically switching lifting unit with built-in submersible pump and non-return valve. Ready for installation in concealed floor structures. Flexible due to two inlet possibilities in DN 100 and a connection (DN 100) with a second tank.

Scope of delivery

Pump ready for connection with attached float switch in impact-resistant plastic container for concealed floor installation. Completely ready for operation with pressure pipe and non-return valve already installed. Pump cable (5 m or 10 m long) with mounted shock-proof plug. Installation and operating instructions.