robm8806 wrote:How does a power vent play into setting the draft? The power vent is speed adjustable. How do I go about setting the baro and the speed correctly?
It doesn't. The baro works by keeping a limit on the difference between the atmospheric pressure inside the stovepipe and the room it is in. Whether something is sucking on the stovepipe or not, the baro cares not, only the relationship between those two pressures.