What Flue Size?

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gobblerpah

New Member
Feb 18, 2010
3
Middle GA
I have the option of using a 6" or 8" flue on my fireplace insert. I currently have a 8" prefab firplace flue.Which sized liner is better 6"or a larger size that will fit in the existing flue?
 
Go with the same size your insert exhaust collar is.
 
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