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My insert or woodstove isn’t installed either of those ways you described – it just sits in the fireplace with no pipe coming out at all. Why didn’t you mention this type of installation?

That kind of installation is referred to by fireplace professionals as a “slammer,” and it does not meet building code. We cannot work on installations that are in violation of code. We’d be happy to work with you to bring it up to NFI standards.

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