LK HydronicGroup 125

LK HydronicGroup 125
All in one
Easy to install
Easy to combine with electronic regulation
Manufacturer: LK Armatur

LK HydronicGroup is a complete pump group that is suitable for heating systems where direct supply or mixed supply is desirable.

LK HydronicGroup comprises a highly efficient circulation pump, insulation, wall mounting bracket and two ball valves with thermometer, of which the ball valve on the return side has an integrated check valve. In the type where mixed supply is desired, a three-way mixing valve is included.

A manifold for two, optionally three, pump groups is available as an accessory, see accessories and spare parts. Wall mounting bracket is not included with manifold, but must be ordered separately, see accessories and spare parts.



  • Voltage:230 VAC 50/60 Hz
  • Power consumption:10-75 W depending on pump speed
  • Working temperature:Min. 5 °C/Max. 100 °C
  • Ambient temperature:Min. 5 °C/Max. 58 °C
  • Max. working pressure:1.0 MPa (10 bar)
  • Leakage:< 0,2% of Kvs at 100 kPa
  • Media 1:Water - Glycol mixture max. 50%
  • Thread standard:Rp - female thread, G - male thread
  • Circulating pumps:Wilo PARA 25-180/8-75/SC-12
  • Material, valve body:Brass EN 12165 CW617N
  • Material, insulation:Expanded Polypropylene EPP