How to Install the Klima Heater Control Valve in the late W123 and the 380SL - On Demand Video

Since this really is a "plug and play" unit, it is very easy to install. No modifications at all are needed!

In this instructional video, Kent demonstrates how easy it is to install the Klima heater control valve ( monovalve replacement ). If you have one of these popular and classic Mercedes, this is the best upgrade you can make for your climate control. It will switch the hot to cold or cold to hot much faster and will hold a much steadier heat at high engine speeds. The total run time is 5:23.

How to Install the Klima Heater Control Valve in the late W123 and the 380SL - On Demand Video

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On Demand Video

Product Details

But keep in mind this may not fix all your heater issues. You must also have the following:

  • 1. A good working auxiliary electric water pump ( replace or remove it from the system at best )
  • 2. Non deteriorated temperature sensor foam hose under your dash ( replace it with our kit)
  • 3. Good working heater blower motor
  • 4. Properly functioning climate control push-button panel
  • 5. Properly functioning temperature logic box ( located under the dash behind the glove box)

Here is the unit installed in a 380SL:

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