Sub TWU 4.04-09-C-Plug&Pump/FC (1~230 V, 50 Hz) | Wilo

Sub TWU 4.04-09-C-Plug&Pump/FC (1~230 V, 50 Hz)

Technical data
Tender text

Water-supply unit for domestic water supply in the private sector for fluids with a max. sand content of 50 g/m³ and a maximum immersion depth of 200 m, suitable for vertical or horizontal installation. Multistage submersible pump with radial impellers in sectional design. Integrated non-return valve. All parts that come in contact with the fluid are made of corrosion-free materials. Corrosion-free single-phase current motor for direct starting. Sealed and hermetically cast motor with enamel-insulated winding, resin-impregnated, self-lubricating bearing, with water-glycol filling. The motor is cooled by the pumped fluid. Vertical installation is possible with or without cooling jacket. Horizontal installation must be performed in conjunction with a cooling jacket.

Scope of delivery:

  • Pump
  • 30 m connection cable approved for drinking water
  • 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 holding/lowering cable with cable terminals
  • Assembly parts: 2x screwed clamp ring connections, R 1¼ to R 1 reducer, 8x cable ties
Operating data
Fluid media
Max. delivery head Hmax
59.0 m
Minimum efficiency index (MEI)
Pipe connection on the pressure side DNd
Rp 1¼
Maximum operating pressure p
40.0 bar
Max. sand content
50 g/m³
Protection class motor
Max. immersion depth
200 m
Min. fluid temperature Tmin
3 °C
Max. fluid temperature Tmax
35 °C
Net weight, approx. m
14 kg
Dimensions Dmax
98 mm
Motor data
Mains connection
1~230 V, 50 Hz
Rated power P2
0.75 kW
Rated speed n
2869 1/min
Rated current IN
5.9 A
Activation type
Direct (D)
Max. switching frequency t
20 1/h
Motor diameter DM
98 mm
Min. flow rate at the motor m/s
0.08 m/s
Connection cable length
30 m
Cable cross-section
4G1,5 mm²
Pump housing
Stainless steel
Motor housing
Stainless steel
Stainless steel
Information for order placements
Net weight, approx. m
14 kg
Product description
Sub TWU 4.04-09-C-Plug&Pump/FC (1~230 V, 50 Hz)
Article number

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)

Certificate REACH (Documents)

REACH regulation

Edition 2020-08
Page format 209.9 x 297.0 mm
Number of pages 2
PDF (158 KB)