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Wilo-Sub TWU 4 Plug & Pump | Wilo
Your advantages
Wilo-Sub TWU 4 P&P

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
  • Low-wearing due to floating impellers

Recommended services

Series description
Sub TWU P&P

Design

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

Application

Water-supply unit for self-sufficient water supply in the domestic sector

  • Washing machines
  • Garden sprinkling
  • Transferring by pumping and filling
  • Taps for process water

Equipment/function

  • Multistage submersible-motor pump with radial impellers
  • Integrated non-return valve
  • NEMA coupling
  • Single-phase motor
  • Thermal motor protection
  • Dry-running protection system (only with Wilo-Plug & Pump Sub-I package)

Typekey

E.g.

Wilo-Sub TWU 4-0405-C-P&P/FC

TWU

Submersible pump

4

Diameter of the hydraulic unit in inches ["]

04

Rated volume flow [m3/h]

05

Number of hydraulic stages

C

Series generation

P&P

Plug & Pump system

FC

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: 3-30 °C
  • Minimum flow rate at motor: 0.08 m/s
  • Max. sand content: 50 g/m3
  • Max. number of starts: 20/h
  • Max. immersion depth: 27 m
  • Protection class: IP 68
  • Pressure connection: Rp 1¼

Materials

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

Construction

Submersible-motor pump for vertical or horizontal installation.

Hydraulics

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.

Motor

Corrosion-free single-phase AC motor for direct starting without soft starter. Sealed and hermetically cast motor with enamel-insulated winding, resin-impregnated, self-lubricating bearing, with water-glycol filling.

Cooling

The motor is cooled by the fluid. The motor must always be operated in submerged state. The limit values for the max. fluid temperature and the minimum flow rate must not be exceeded. Vertical installation is possible optionally 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
  • Assembly parts: 2x screwed clamp ring connections, R 1¼ to R 1 reducer, 8x cable binders
  • Installation and operating instructions

Wilo Plug & Pump Sub-II package for self-sufficient water supply in single-family and multi-family houses:

  • 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
  • Assembly parts: T-iron, R 1¼ to R 1 reducer, 8x cable binders
  • Installation and operating instructions
Documents

Installation and operating instructions

Wilo-Sub TWU ..., TWU 4-...-QC, TWU 4-...-P&P

Article Number 2019023
Edition 1103
Page format A4
Number of pages 384
PDF (2 MB)

Wilo-Sub TWU ..., TWU 4-...-QC, TWU 4-...-P&P

Article Number 2019023
Edition 1103
Page format A4
Number of pages 30
PDF (565 KB)

Wilo-HiControl1

Article Number 4196363
Edition 2019-02
Page format 148.2 x 209.9 mm
Number of pages 92
PDF (2 MB)

General overview

General Overview 2022 - International version

Edition 2022
Page format 209.9 x 297.0 mm
Number of pages 78
PDF (38 MB)

Certification booklet

Wilo-Sub TWU 4

Article Number 6080453
Edition 1701
Page format A4
Number of pages 8
PDF (510 KB)

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
Page format 209.9 x 297.0 mm
Number of pages 72
PDF (7 MB)

Certificate REACH

REACH Regulation

Edition 2021-05
Page format 209.9 x 297.0 mm
Number of pages 4
PDF (212 KB)