On Fri, 27 Dec 2013 08:26:43 -0700, Snag wrote:

...snip...
This stove has gaskets on both the fire box door and on the door to
access
the ash pan . It seals up very well , I don't expect any smoke problems
from
adding a flue damper too .

seems the best way to control the heat is through the air supply, up
through the ash box.