I picked up one of those 6" Made in China damper plates from Northern. Before I go punching holes in my double-wall stove pipe- anything I should be aware of??
Thanks fellas.
P.S. Thanks to all who post on these forums. I attribute much of my 1st-year success to what I have learned here.
Thanks fellas.
P.S. Thanks to all who post on these forums. I attribute much of my 1st-year success to what I have learned here.

![[Hearth.com] SIMPLE DAMPER QUESTION [Hearth.com] SIMPLE DAMPER QUESTION](https://www.hearth.com/talk/data/attachments/89/89817-36d657fba5441df1e0f01df4734cea4b.jpg?hash=ngswqNFTHo)