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Posted by Ripple on February 17, 2004 at 14:16:47:
I have a 3 zone hydronic system that also makes domestic hot water.
Two of the zones have started gurgling while circulating. The largest zone is still quiet.
How did air get into the system and how do I get it out?
I have been in the house 5 years and this is the first time i've had any baseboard issues.
I also noticed the air vent/scoop has a lot of mineral deposits and is freshly wet.