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Before I buy an Englander 30 does anyone run theirs with an 8" chimney. I seen it recommends 6" but I have a 20' block chimney 8". Would rather not pit a liner in but will if I have to. Think its something to worry about? Thanks in advance
Is it an interior or exterior chimney? If I had to guess I would say it would work either way. However, an insulated liner will probably avoid some frustrations.
Cold starts will be quicker, avoids smoke spillage, cleaner chimney, better overall stove performance, etc...
"Picture water flowing in a stream. When the stream bed is
narrow, the water flows quickly. If the stream bed
becomes wider, the water slows down. The same thing
happens to smoke as it flows through a chimney. An over-
sized flue allows the smoke to slow down and condense
inside the chimney - resulting in water, creosote, and slug-
gish draft."
While this is true, I've run smaller stoves through 8" Terra cotta. It's not ideal, but it wouldn't hurt to try it. Be forewarned, it's harder to get the fire going.
You don't have to line the chimney unless the chimney is broken or was never built right.
As far as size, this is from the NC30 manual:
The area of the chimney liner must also be equal to or greater than the area of the flue collar on the stove. If the area
of the flue is greater than the collar, it should never be more than two and 1/2 (2.5) times greater.
So your 8" chimney if round provides about 50 square inches, if square provides 64. The flue collar is 28 square inches. 28 *2.5 is 70 so per the requirements, your 8" chimney is satisfactory.
Lining the chimney won't hurt and insulating the liner will be even better but neither is required by default. Also, you can install now and line later if desired based on performance.
well said. I would still recommend a professional inspection to ensure neither of those things are true but you are totally correct there. We still have lots of customers running through clay chimneys with modern stoves and many of them work very well. Some do not but as long as your chimney is in good shape and there are no clearance issues there is no reason not to try it.
Its 25 feet. It works fine. I've got a really strong draft though. I believe Brother Bart runs a similar setup. I wish that stove ran straight up. My 30 goes out the basement wall, then up.
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