Radiant Heating System - Noisy Pipes

Old 11-29-08, 09:37 AM
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Radiant Heating System - Noisy Pipes

Last year was the first year that we lived in the house and we did not notice any unsual sounds during the use of our radiant heating system. The system has be checked out and appears to be functioning properly. However this year, the system has begun to make noises. Every time the heating boiler kicks off the pipes in the walls going to the basement make a loud clanking or banging sound. What could be causing this?
Old 11-29-08, 07:50 PM
Join Date: Oct 2008
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You've heard of the A team and the B team, well I'm the maybe C team I have handled some pipe expansion noises, but the sounds would not have been described as "clanking or banging". If you have access to those pipes from the basement, I would try to feel if there is any movement associated with the pipes coinciding with the noise. They do use metal plates to attach and distribute the heat from the pipes, but I would expect that to be in the ceiling/floor where those pipes are headed, not in the walls.
If the noise occurs exactly when the circulator or control valve shuts off, post that and maybe the boiler guys will recognize it.

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