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Posted by Mike on October 11, 2005 at 22:20:14:
In Reply to: Re: Need advice on replacing a boiler with a diff type. posted by joe brix on October 03, 2005 at 21:11:03:
: In steam you have no choice but natural draft. All steam boilers are in the 80-82% efficency range. Make sure it's piped correctly and sized to the amount of rads you have.
I believe that Biasi makes a multi pass boiler that gets about 86% now. I'd contact one of their distributors.