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Went from 2 90's to 2 45's this year. Haven't tested it out yet but it appears to have better draft. With the 90's it seemed to be sluggish and not very good secondaries. I don't like the looks as well but if it helps that's good enough. I think that 36" horizontal run was the problem.
![[Hearth.com] 90 to 45 [Hearth.com] 90 to 45](/talk/proxy.php?image=http%3A%2F%2Fi466.photobucket.com%2Falbums%2Frr23%2Fckr74%2FPicture014-1.jpg&hash=e71e02e9b8d131efcd22b3ac68abb778)
Went from 2 90's to 2 45's this year. Haven't tested it out yet but it appears to have better draft. With the 90's it seemed to be sluggish and not very good secondaries. I don't like the looks as well but if it helps that's good enough. I think that 36" horizontal run was the problem.