Wilo-Comfort-Vario COR-1 MHIE...-GE


  • Robust system thanks to MHIE series stainless steel high-pressure centrifugal pumps with integrated air-cooled frequency converter
  • Extremely wide frequency converter control range
  • Integrated full motor protection by means of PTC thermistor
  • Integrated dry-running detection with automatic shut-down in case of absence of water supply in accordance with the power characteristics of the motor control electronics


Water supply systems with normal-suction high-pressure centrifugal pump and integrated speed control


  • Fully automatic water supply and pressure boosting in residential, office and administration buildings, hotels, hospitals, shopping centres and various industrial facilities
  • Pumping of potable water, process water, cooling water, fire water (apart from fire-extinguishing systems in accordance with DIN 14462 and subject to approval by local fire-fighting authorities) or other water mixtures that do not attack the materials used chemically or mechanically and do not contain abrasive or long-fibre constituents


  • 1 MHIE series pump with stepless control via integrated frequency converter
  • All parts in contact with pumped liquid are corrosion resistant
  • Shut-off valves on the pressure side
  • Check valve on the pressure side
  • Diaphragm pressure vessel 8 l, PN16

Scope of delivery

  • Pressure boosting system factory assembled, tested for fault-free function and tightness, ready for connection
  • Packaging
  • Installation and operating instructions

Model overview

Those. information

Explanation of the name

Example: Wilo-COR-1 MHIE 205 / GE
CO Compact pressure boosting system
R Regulation with a frequency converter
1 Single pump
MHIE Pump Series
2 Nominal volume flow of single pump [m 3 / h]
05 Number of single pump sections
GE Main unit, i.e. without additional control device

Technical specifications

  • Connection to 3-phase 400 V ± 10 %, 50 Hz; 3~380/440 V ± 10 %, 60 Hz or, depending on type, also 1-phase 230 V ± 10 %, 50/60 Hz
  • Temperature of pumped liquid max. 50 °C (optional 70 °C)
  • Ambient temperature max. 40 °C
  • Working pressure 10 bar
  • Inlet pressure 6 bar
  • Nominal inside diameter for connection on supply side Rp 1" - Rp 2"
  • Nominal internal diameter for connection on the discharge side R 1¼" - R 1½"
  • Speed range 1160 - 3500 rpm
  • Protection class IP 54
  • Mains-side fuses [AC 3] according to motor size and power supply company regulations
  • Permissible pumped media (other media on request)
    • clean water without sediment;
    • domestic, cold, cooling and rain water;
    • drinking water;


  • Impellers in stainless steel 1.4301/1.4404
  • Stainless steel sections 1.4301/1.4404
  • Stainless steel pump housing 1.4301/1.4404
  • Stainless steel shaft 1.4301/1.4404
  • EPDM (EP 851)/FKM (Viton) seal
  • Enclosure cover made of stainless steel 1.4301/1.4404
  • Lower body part stainless steel 1.4404
  • Sliding mechanical seal made of graphite/tungsten carbide, SiC/graphite
  • Pressure cover made of stainless steel 1.4301/1.4404
  • Tungsten carbide bearings
  • Pump base in aluminum
  • Stainless steel piping system 1.4571


  • Foundation frame: stainless steel, with height adjustable anti-vibration mounts for optimum soundproofing.
  • Piping: complete piping on pressure side, in stainless steel, to be connected to all materials used in building services equipment, designed in accordance with the total hydraulic capacity of the pressure booster unit.
  • Pumps: one MHIE 2..., 4..., 8... or 16... series pump each. (max. motor power 2.2 kW). The air-cooled frequency converter adapted to the pump motor enables infinitely variable speed control between 25 Hz and max. 60 Hz. All pump parts in contact with the pumped medium are made of stainless steel.
  • Fittings: On the pressure side the pump is equipped with a ball check valve with DVGW approval mark and a non-return valve with DVGW approval.
  • Diaphragm pressure vessel: 8 l/PN16 located on the discharge side, fitted with a butyl rubber diaphragm which complies with food safety laws. For inspection and testing purposes, equipped with shut-off ball valve, emptying system and flow fittings according to DIN 4807


Wilo-SiBoost Smart 1 Wilo-Comfort-Vario COR-1 ...-GE, .../VR Download
Wilo-Economy MHIE Download
Wilo-Economy MHIE Download



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