LK 840 ThermoMix

LK 840 ThermoMix® is a 3-way valve that can be used as a heating system mixing valve or a diverting valve. It is suitable for motorization. The LK 840 can have insulation. It can be mounted at any angle and is easily adapted for right or left hand mounting. There is an insulation jacket available for the LK840.

This can be coupled with the LK 110 Smart Comfort Electronic Controller

Working temperature:Min. +5°C/Max. +110°C (+120°C briefly)
Ambient temperature:Min. +5°C/Max. +60°C
Max. working pressure:1.0 MPa (10 bar)
Max. differential pressure:50 kPa
Leakage:< 1% of Kvs at 50 kPa
Angle of rotation:90°/360°
Torque:< 1 Nm
Media 1:Water - Glycol/Ethanol mixture max. 50%
Thread standard:Rp - female thread, G - male thread
Material, valve body:Brass EN 12165 CW617N
Material, internal cover:PPS Composite
Material, external cover:Aluminium
Material, slide/spindle:Brass EN 12165 CW617N
Material, sealing:EPDM
Spindle sealing:Two O-rings

If you need further information about this stove, please phone 01803 712143

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Technical Details

  • Height: 95mm
  • Width: 120mm
  • Depth: 82mm