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Posted by Rob on January 20, 2004 at 16:51:23:
I have a propane-fired boiler / baseboard heat system. 3 zones (Basement, 1st & 2nd Floor). I recently had a pipe freeze / burst (cold airflow focused on pipe from a gap between foundation and wood frame). Since then, the system has been purged and re-pressurized twice. However, now when the heat kicks on in any zone, if you listen carefully you can hear the water trickling / running through the copper pipe in the baseboard units. I don't ever recall hearing this sound before (used to only hear the metal plates tinging as they heat up / cooled). IS THIS NORMAL / OK? Thanks!!