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New fireplace flue size

Posted by dnb468 (My Page) on
Tue, Feb 26, 13 at 16:11

Hi guys I need of a little help, I have just moved into my new home and it had a old open wood burning fire wich I have now taken out and I'm looking to put a wood burning stove in.the chimney flue is 8inches and the stove has a 6inch flue pipe can I just put the 6inch flue straight up into the old 8inch chimney flue or will I have to put a reducer pipe on

This post was edited by dnb468 on Tue, Feb 26, 13 at 16:20


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RE: New fireplace flue size

Nearly all or maybe all modern EPA woodstoves use a 6" pipe from stove to chimney. Many will work fine venting into an 8" flue, but there are other factors involved: chimney height, whether it's an internal or external chimney, etc.

What you can't do, because of building codes, insurance regulations, and your own safety is merely stick a 6" pipe into the existing 8'" chimney. The chimney needs to be inspected and quite possibly lined using an insulated stainless steel or poured masonry liner. A blockoff plate also is required below where the stovepipe enters the chimney.


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