Wilo-Initial Drain | Wilo
Your advantages
Wilo-Initial Drain

Your advantages

  • Automatic motor protection provided by the temperature sensor
  • Automatic mode due to the float switch
  • Excellent reliability due to its robust material and double gasket
Series description


Submersible drainage pump


Pumping of

  • Sewage without faeces or long-fibre constituents
  • Wastewater


  • Connection cable with plug
  • Fitted float switch
  • Thermal motor protection



Wilo-Initial DRAIN 10-7


Wilo-Initial Line




Rated volume flow in m³/h


Rated delivery head in m

Technical data

  • Mains connection 1~ 230 V, 50 Hz
  • Protection class: IP68
  • Max. immersion depth: 5 m
  • Fluid temperature: +3 to +35 °C
  • Cable length: 10 m
  • Pressure port: G 1½


  • Motor housing: Galvanised Fe 370
  • Pump housing: PP
  • Impeller: PA6 GF30
  • Shaft: 1.4005 (AISI 416)
  • Lip seal: NBR
  • Gasket: NBR


Submersible pump for stationary and portable wet-well installation in fully automatic mode with attached float switch.


The pumps in the Initial Drain series are equipped with a radial impeller and have a free ball passage of 5 mm.

The pressure connection is an Rp 1½ horizontal threaded connection.


Submersible motor in a single-phase AC version and integrated thermal overload protection with automatic reactivation.


The pump is equipped with a 10 m connection cable with shockproof plug and an attached float switch.

Delivery state

  • Pump with a 10 m cable, mains plug and fitted float switch
  • Hose connection nozzle Ø 24/32 mm and thread Rp 1"
  • Installation and operating instructions

Installation and operating instructions

Wilo-Initial Drain

Article Number 4168381
Edition 2019-04
Page format 209.9 x 297.0 mm
Number of pages 80
PDF (3 MB)

General overview (Documents)

General overview 2021 International version

Edition 2020
Page format 209.9 x 297.0 mm
Number of pages 74
PDF (10 MB)

Certificate REACH (Documents)

REACH regulation

Edition 2020-08
Page format 209.9 x 297.0 mm
Number of pages 2
PDF (158 KB)
Product list
Number of results: 2
Product descriptionPressure portRated power P2Connection cable lengthMains connectionArticle number