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chimney thimble

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Snowmelt
Snowmelt Member Posts: 1,416
how far into the thimble do you install the flue pipe
here is a picture of the thimble, original is 8 inch but all i need is 5 inch flue, going up like 15 inch and going horizontal about 8 to the thimble, just an fyi the thimble is 6 inch long.
https://www.menards.com/main/building-materials/concrete-cement-masonry/construction-concrete-blocks/6-id-x-12-clay-round-flue/1796614/p-1444441465212.htm

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  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 15,622
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    only needs to go in a few inches, say 2 or 3 if the pipe to thimble connection is secured and sealed properly