Your advantages

High operational reliability, thanks to system with two horizontal multistage MHIL pumps with stainless steel hydraulics

Highly efficient EC motor with IE3 class for three phase motors from 0.75 kW and larger

Drinking water approval (ACS) for pumps with components made of stainless steel that come into contact with the fluid

Simple operation thanks to Basic Control switchgear with all necessary functions


Ready for connection, non self-priming water-supply unit with 2 parallel-switched, horizontally arranged high-pressure multistage centrifugal pumps with fixed speed in glanded design of the MHIL series, equipped with BC switchgear.


  • Fully automatic water supply and pressure boosting in residential buildings and small commercial locations.
  • Pumping of drinking water and clean process water and other water mixtures that do not chemically or mechanically attack the materials used and do not contain any abrasive or long-fibre constituents.

Type key

e.g.: Wilo-COE-2MHIL305-DM/BC
COE Compact pressure boosting system
2 Number of pumps
MHIL Pump series
3 Rated volume flow [m3/h]
05 Number of pump stages
DM 3~ (EM: 1~)
BC Switchgear

Technical data

  • Mains connection 3~400 V, 50 Hz or 1~230 V, 50 Hz
  • IE3 standard motor for 3~ from 0.75 kW (for 1~ : IE1 standard motor)
  • Fuse A, AC 3 on mains side according to motor power and EVU regulations
  • Max. fluid temperature of +50 °C (+70 °C optional)
  • Operating pressure 10 bar
  • Inlet pressure 6 bar
  • R2” nominal connection diameter
  • Protection class: IP54 (3~) and IPX4 (1~)

Type key

Example: Wilo-COR-4 Helix V 2203/1/K/CC
CO Compact pressure boosting system
R Control of the respective base-load pump via frequency converter in the switchgear
4 Number of pumps
Helix V Pump series
22 Rated volume flow [m3/h] of the single pump
03 Number of single-pump stages
1 Number of trimmed impellers of a pump
K With cartridge mechanical seal
CC Control unit; CC = Comfort Controller