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Posted by Harold hydronicnetwork.net on February 20, 2004 at 08:56:10:
In Reply to: Water temp abnormally high posted by Matt in NE Ohio on February 19, 2004 at 12:55:06:
There are a few possibilities relating to water flow through the system. One zone might be open only, the circulator might be starting a problem, there could be a clog in the line. Better have it checked.