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Wilo-DrainLift SANI CUT-M | Wilo

Wilo-DrainLift SANI CUT-M

Lightweight single-pump lifting system with macerator for residential buildings.

Your advantages
Wilo-DrainLift SANI CUT-M with non-return valve

Lightweight single-pump lifting system with macerator for residential buildings.

The Wilo-DrainLift SANI CUT-M single-pump unit is a compact and lightweight lifting unit according to EN 12050-1 and is therefore ideal for use in residential buildings, both single houses and apartment buildings.

Thanks to its large switching volume and macerator with double shear effect, Wilo-DrainLift SANI CUT-M offers high operational reliability.

With freely selectable inlets and compact physical dimensions, the Wilo-DrainLift SANI CUT-M can be installed flexibly and unobtrusively.

Maintenance is made particularly easy by the user-friendly construction including transparent cover.

Your advantages

  • Very easy to install and to transport due to lightweight and space-saving compact construction 
  • Operational reliability provided by the large switching volume, pump with radial macerator with double shear effect, thermal motor protection and mains-independent alarm
  • Optimised hydraulics/macerator combination for a wide coverage of delivery head at the lowest power requirement for domestic electrical installations
  • Low overall installation costs thanks to the use of smallest possible piping
  • Corrosion-free design with engineering plastics and stainless-steel guarantee high reliability
  • Freely selectable connections for maximum installation flexibility
  • Transparent tank cover and cleaning opening ensure easy maintenance
Series description
DrainLift SANI CUT-M


Ready for connection and fully submersible single-pump lifting unit with macerator hydraulics for pumping sewage containing faeces.


Pumping of sewage containing faeces:

  • In cases where sewage cannot be discharged directly into the sewer system via a natural downward slope
  • For backflow resistant drainage in cases where the discharge point is below the backflow level


  • Switchgear with mains-independent alarm and collective fault signal
  • Ready-to-plug
  • Tank with inspection opening and transparent cover
  • Analogue level measurement (4 … 20 mA)
  • Non-return valve
  • Thermal motor monitoring with bimetallic sensor



DrainLift SANI CUT-M.20M/1


Product family


Sewage lifting unit with macerator




Max. delivery head


Mains connection:

  • M = 1~
  • T = 3~


Motor and switchgear version:

  • 1 = operating mode: S3, switchgear: Control MS-L

Technical data

  • Mains connection: 1~230 V, 50 Hz or 3~400 V, 50 Hz
  • Operating mode: S3 10%
  • Fluid temperature: 3 ... 40 °C (37 ... 104 °F), max. 65 °C (149 °F) for 5 min
  • Max. ambient temperature: 3 ... 40 °C (37 ... 104 °F)
  • Tank volume: 64 l (16
  • Max. usable volume in the tank according to the inlet height*: 29 l/7 (180 mm*)/39 l/10 (250 mm*)/48 l/12 (315 mm*)
  • Discharge port: DN 32
  • Inlet connection: DN 100/150 (110/160 mm)
  • Ventilation connection: DN 40 (50 mm)
  • Switchgear degree of protection: IP54
  • Noise level: 70 dB(A)


  • Motor housing: 1.4404 (AISI 316L)
  • Hydraulics: EN-GJL-250 (ASTM A48 Class 35/40B)
  • Impeller: EN-GJL-250 (ASTM A48 Class 35/40B)
  • Macerator: 1.4528/59 HRC (AISI 440B+Co)
  • Tank: PE
  • Non-return valve: EN-GJL-250 (ASTM A48 Class 35/40B)


Gas- and watertight collection tank with sloped floor at an angle and an inspection opening with transparent cover.Freely selectable inlets within the marked areas.Level measurement performed with an analogue output signal 4 ... 20 mA.Discharge port with non-return valve attached.

Surface-cooled (air) or self-cooling (sheath flow cooling) motor with thermal motor monitoring.

Pre-installed switchgear for automatic operation:

Wilo-Control MS-L

  • Collective fault signal with potential-free contact
  • Integrated and mains-independent alarm
  • Adjustable follow-up time
  • 1.5 m connection cable with attached plug

Scope of delivery

  • Fully submersible lifting unit with macerator, switchgear, and connection cable including plug
  • Pipe connection DN 32 (outer diameter 40 mm)
  • HT double socket DN 40 (50 mm) for ventilation connection
  • HT double socket DN 40 (50 mm) for drain connection
  • Inlet set with hole saw 124 mm (5 in) and seal DN 100 (110 mm)
  • Floor fixation set
  • Noise insulation mat
  • 9 V rechargeable battery
  • Installation and operating instructions

Installation and operating instructions

Wilo-DrainLift SANI CUT-M

Article Number 6094308
Edition 2023-06
Page format 209.9 x 297.0 mm
Number of pages 32
PDF (8 MB)

Wilo-Control MS-L

Article Number 2552612
Edition 2023-08
Page format 209.9 x 297.0 mm
Number of pages 40
PDF (7 MB)

General overview

General Overview 2023 - International version

Edition 2022
Page format 209.9 x 297.0 mm
Number of pages 74
PDF (24 MB)