Frank Grunthaner wrote:

> The summary, Copper in a cooling circuit with Aluminum and steel will
> corrode. The rate could be negligible (higher probability of personal meteor
> strike than damaging corrosion of Cu component in 5 years or less).
> Alternative is thick film hydrophobic film as I mentioned in an earlier post.

Are you saying that the copper itself would corrode?
  I had assumed that copper as the less active metal would protect itself by
promoting the corrosion of the aluminum, etc.

  Larry A.