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Posted by HeatPro on March 02, 2005 at 08:45:47:
In Reply to: biasi combi boiler - noisy vibrating sound posted by chrissy on March 02, 2005 at 08:24:39:
A sound like that is usually a circulation of water through the boiler problem. As it could also be a burner problem, have it looked at by a pro.
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