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Posted by john edwards on October 14, 2005 at 17:43:14:
I am ripped out my onepipe steam system and the old cast iron radiators. I have to put in either cast iron elements or copper elements (from ocsind.com). Someone told me that the cast iron will corrode over time and scale will get into the water affecting the system. Someone else told me that it is a closed system, so what little oxygen there is disappears over time, and then corrosion wont occur, as long as fresh water doesn't enter the system.
Which is better?
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