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Posted by HeatPro on August 19, 2005 at 15:56:09:
In Reply to: Re: laars max posted by Joe Brix on August 19, 2005 at 11:47:12:
Using a ferrous metal boiler could have worse damage from condensation in a gravity conversion. Building it as a large loop with boiler feed and return off the large loop as in a primary-secondary could eliminate the problem for copper, cast, and steel.
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