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At 06:34 PM 1/21/2011, Bob Klahn wrote:<br>
<blockquote type=cite class=cite cite=""> Dan,<br>
It's not a range per se, but there have been a number of through-the-wall
exhaust fans which had a chain operated outside weather cap/flap. I
believe that Nutone still lists one but have not checked for a few
years. </blockquote><br>
I've had one of those Nutone fans for years and the flap doesn't seem to
help much. In the winter, I put a plexi enclosure over the inside to
prevent drafts (and, of course, have to remove it whenever I need the
exhaust).<br><br>
David<br>
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