Will I need a damper in the stove pipe with this Ideal Steel setup?

This question is in due to reading about a FHC member using the Woodstock IS and finding he needed a damper to get the stove to be happy low and slow after he improved his chimney (and thus the draft). I'm installing a Woodstock Ideal Steel stove. The chimney will be a straight shot out the top of the stove, up through the inside of the house in the cathedral ceiling area, through the roof deck, and to the external chimney. I'm using double-wall stove pipe inside and (obviously) Class-A through the roof deck and externally. The total height of flue above the stove can be no less than 16'4" to meet code requirements.

With a 16 foot perfectly straight shot from stove to cap, an all-interior run, and double wall stove pipe, is it likely that I'll need a damper in the stove pipe right above the stove to get the Ideal Steel to be capable of being run low and slow?

Or, alternately, do you guys thing I should run more external Class A than the code requires to get more draft?

 

I personally if I was at code I would run it for a year and see. I know I have great draft and I have no problem shutting mine down to get the burn times I need. I have thru wall connections basically 2 feet up off stove 90 thru wall then 27 feet up. but I live on a hill and have been here a dozen years I always have a breeze...

Also with your set up you will need to remove part of chimney to clean it anyway so since that's the case it will be easy to add damper after a cleaning

 

Agree with Dennis, I have a 26' flue run and generally a super draft. I have had days where the wind has increased the drafts vacuum and the IS was able to handle it.
I don't think it's necessary on this stove.

 

My setup is from the basement so the draft thing is a royal pain in the a$5. I had to extend my chimney to achieve better start ups and less smoke spillage. It definitely helped startups and the spillage issue. However, once the stove is warm it definitely pulls harder. I might be a good candidate for a damper but I haven't tried it yet.

 

I have a 16' straight up through a vault chimney. 8' single wall and 8' class A. Drafts great, never over-drafts, perfectly controllable. YMMV