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Posted by HeatPro on November 20, 2008 at 15:21:49:
In Reply to: Frequent need to add water posted by Fortage on November 20, 2008 at 15:08:04:
Fix the radiator that gives off steam by replacing the vent.
Check the boiler by raising the water level over the sight glass with the burner off to see if water runs onto the floor from a hole at the water line.