wrote in message
...
the installation instructions it says to adjust the counter balance
for desired draft, but what's the desired draft? what position should
it be on when furnace is firing/not firing? thanks!

You might be able to find one on eBay, but this is what you need (and the
knowledge to use it properly):

http://www.bacharach-inc.com/draft_gauges.htm


If you don't use one, you are just guessing so why not just set it at the
halfway point. Keep you service guy's number handy...