Hey everyone, I have found this site so helpful and am very grateful for all of the knowledge here. I am installing an "OLD" stove it is a Bi-centenial from early 80's. It has an 8 inch opening for the chimney and I am wanting to ( wondering if I can or should) reduce this down to a 6". I have read the forums about reducing and I am wondering if this stove was made before any "real" testing was ever done, or if 8" was just the size then...? So with that in mind I pose the question can an "OLDER" stove be reduced ...?
Chimney size questions (again)
- Thread starter jimrgordon
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It can be but chances are it will not work very well we do reduce down to 7 often because in many chimneys that is all the liner you can get in with insulation and that usually works fine but 6 is probably to far
I have a large Timberline that I reduced down to 6 inches from 8 inches. It works great and cannot imagine it working any better. It is a double door large stove and I believe I read they only needed 8 inch flue because they were designed to be opened like a fireplace also. I can tell you that I can open it and still have no issues.
The chimney height height and design has an important effect here. If this is a cold exterior chimney, reducing to 6" could increase the possibility of reverse draft as the stove cools down. Keep the flue at 8" if this is what the stove requires.
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