_____ Hello all,
Still working on my 1981 240 DL wagon project. Received heater control valve from FCP which states on their web site that this valve "fits all models". It is _very_ different from the original valve as you can see from the photo
2) Use the new valve as is, put an elbow in the plumbing, and hunt for a valve that will control the vacuum so that the water valve can be opened and closed in a graduated fashion. Ideally, this valve would be driven by the heater control lever on the heater control panel. As a poor man's alternative, one could hook the thing into one of the vacuum buttons. The default water valve position is _open_ when there is _no_ vacuum, and _closed_ with _vacuum_ applied. If i were to hook it to the recirculation vacuum line, then the heater would work with the recirculation button depressed. The normal heater control lever would become inoperative.
Looking forward to your ideas.
/ John
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