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Posted by Erack on February 28, 2004 at 12:26:09:
I have a closed water heat system. 2 zones. Only 1 zone is giving me heat. The thermostat in the second zone does turn on and off the circulator pump when the temp range is turned up or down. The radiators are not giving off heat, but I do hear the circulator pump always running, unless I turn the temperature setting down. Does this mean I have a leak? The radiator pipes in the bad zone are not even getting warm to the touch.