On Fri, 4 May 2012 12:05:22 -0500, "Attila.Iskander"
Right, particularly if the chimney is on an exterior wall.
Not even that. When I converted from oil to gas (same unit, different burner)
they would have required a SS liner had the chimney not been in the center of
the house. The idea is that if the chimney is not on an exterior wall it'll
stay warm, so won't condense the excess water caused by burning gas.
Good plan, or just throw a liner in the chimney. It's not *that* expensive. A
condensing unit is a better plan all around, IMO.
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