>I'm no chemist, but I am a plumber and copper can only come in contact with >copper or brass. If it touches another type of metal it will deteriorate. >Peace, >Peder
It's worse than that... Jim. They don't need to touch directly. Ions in the coolant will cause plating by one metal (copper, I believe) on the other. So corrosion of one metal and plating of the other will occur.
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