Wilo-Sub TWI 5/TWI 5-SE

Water softener plant in Gujarat

Your advantages

  • Highly efficient thanks to optimized hydraulics
  • TÜV-certified according to the KTW guidelines
  • Self-cooling motor (dry well installation out of the water is possible)
  • Single-phase current version, pre-assembled with switch box and motor protection for an easy installation
  • Easy handling, maintenance, and repair
  • Corrosion-resistant and low-wearing


5″ submersible pump in stainless steel, multistage


Submersible pumps

  • Pumping from wells, rainwater storage tanks, and vessels
  • Irrigation, sprinkling, and pumping out
  • Water supply
  • Rainwater utilisation


  • 20 m safety cable
  • 20 m H07RN-F cable
  • Single-phase AC version
    • Pre-assembled with switch box
    • Overcurrent protection of the motor

Type key

Example: TWI5-SE 304 EM-FS
TWI Submersible pump made of stainless steel
5 Pump diameter (5”)
[Space] Suction through strainer
SE Connection G 1¼ on the suction side (for floating extractor)
3 Nominal flow rate Q in m³/h (at optimum efficiency)
04 Number of stages
EM Single-phase current, 1~230 V, 50 Hz
DM Three-phase current, 3~400 V, 50 Hz
FS With float switch

Technical data

  • Mains connection 1~230 V, 50 Hz / 3~400 V, 50 Hz
  • Fluid temperature max. +5 °C to +35 °C
  • Max. operating pressure 10 bar
  • Protection class IP 68
  • Pressure-side connection Rp 1¼
  • Connection on suction side for SE version Rp 1¼


  • Pump housing: Stainless steel 1.4301
  • Impeller: 1.4301
  • Shaft: 1.4301
  • Mechanical seal: SIC/SIC and carbon/ceramic
  • Stage chambers: 1.4301
  • Diffuser/injector: 1.4301
  • Gaskets: NBR


Water Design Technologies Provide the Wilo-Sub TWI 5/TWI 5-SE is an advanced and efficient submersible pump designed for various water-related applications. With its robust construction and cutting-edge technology, this pump ensures reliable performance and durability. Whether for residential, commercial, or industrial use, the Wilo-Sub TWI 5/TWI 5-SE delivers superior water handling, making it a trusted choice for efficient and consistent pumping needs.

  • Multistage construction complete in AISI304
  • ACS & WRAS certified
  • Double mechanical seal SIC/SIC
  • Detachable connection cable
  • Generously dimensioned water-cooled motor
  • Scope of delivery includes 20 m connection cable and safety rope