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Posted by HeatPro on November 14, 2005 at 10:40:51:
In Reply to: Return Pipe Heats up first posted by SL on November 14, 2005 at 00:25:10:
Two-pipe systems of a certain type uses traps at the bottom of the radiator to keep steam out of the return. You have bad traps that can be repaired. Go to the Hoffman and Sarco sites and search on Google for steam trap repair kits.