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Wilo-Sub TWU 3 Plug & Pump | Wilo
Your advantages
Wilo-Sub TWU 3 Plug & Pump

Your advantages

  • Easy installation due to preinstalled and pre-wired components
  • Parts that come in contact with fluids are corrosion-free
  • Integrated non-return valve

Recommended services

Series description
Sub TWU 3 P&P


Water-supply unit with submersible pump, control and complete accessories.


Water-supply unit for

  • Water supply from boreholes, wells and rainwater storage
  • Domestic water supply, sprinkling and irrigation
  • Pumping water without long-fibre and abrasive constituents


  • Multistage submersible-motor pump with radial impellers
  • Integrated non-return valve
  • NEMA coupling
  • Single-phase motor
  • Thermal motor protection



Wilo-Sub TWU 3-0115-P&P/FC


Submersible pump


Diameter of the hydraulic unit in inches ["]


Rated volume flow [m3/h]


Number of hydraulic stages


Plug & Pump system


VersionFC = Sub I package with HiControl 1DS = Sub II package with pressure switching

Technical data

  • Mains connection: 1~230 V, 50 Hz
  • Immersed operating mode: S1
  • Fluid temperature: 3-35 °C
  • Minimum flow rate at motor: 0.08 m/s
  • Max. sand content: 50 g/m3
  • Max. number of starts: 30 /h
  • Max. immersion depth: 27 m
  • Protection class: IP 58
  • Pressure connection: Rp 1


  • Hydraulic housing: 1.4301 stainless steel
  • Impellers: polycarbonate
  • Hydraulics shaft: 1.4104 stainless steel
  • Motor housing: 1.4301 stainless steel
  • Motor shaft: 1.4305 stainless steel


Submersible-motor pump for vertical or horizontal installation.


Multistage submersible-motor pump with radial impellers with sectional construction. Integrated non-return valve. All parts in contact with the fluid are made of corrosion-free materials.


Corrosion-free single-phase motor for direct starting, rewindable, oil-filled, self-lubricating bearings.


The motor is cooled by the fluid. The motor must always be immersed when operated. The limit values for maximum fluid temperature and minimum flow velocity must be adhered to. Vertical installation is possible with or without cooling jacket. Cooling jacket is required for horizontal installation.

Scope of delivery

Wilo Plug & Pump Sub-I package for garden irrigation of private greenery in the domestic sector:

  • Fully mounted
  • 30 m connection cable approved for drinking water (cross-section: 4x1.5 mm2)
  • Switchbox with capacitor, thermal motor protection and On/Off switch
  • Wilo-HiControl 1 (FC); automatic flow monitor and pressure controller with integrated dry-running protection
  • 30 m guy rope
  • Installation and operating instructions

Wilo Plug & Pump Sub-II package for self-sufficient water supply in detached houses and multi-residential buildings:

  • Fully mounted
  • 30 m connection cable approved for drinking water (cross-section: 4x1.5 mm2)
  • Switchbox with capacitor, thermal motor protection and On/Off switch
  • Wilo pressure switching 0 – 10 bar, including 18 l diaphragm expansion tank, manometer, shut-off device and pressure switch
  • 30 m guy rope
  • Installation and operating instructions


  • Motor versions for 3~230 V, 50 Hz; 1~230 V, 60 Hz; 3~380 V, 60 Hz


  • Cooling jacket pipes
  • Cable kits for potable and process water
  • Switchgears
  • Connection and installation material

Installation and operating instructions


Article Number 4196363
Edition 2019-02
Number of pages 92
Language de, el, en, fr, it, nl, ru, tr
PDF (2 MB)

Certification booklet

Wilo-EMU D/DCH/K/KM/SCH (w/o motor), Wilo-Sub TWI/TWU (w/o motor), Wilo-Actun ZETOS-K8 (w/o motor), Wilo-Actun ZETOS-K10 (w/o motor)

Article Number 6080455
Edition 2021-06
Number of pages 72
Language language neutral
PDF (7 MB)


Wilo-Sub TWU 3

Article Number 6080452
Edition 1608
Number of pages 11
Language language neutral
PDF (502 KB)