![Figure J-1](/images/new-backgrounds/35648/3564861x1.webp)
SECTION
Figure J-1
NATURAL DRAFT VERTICAL VENT WITHOUT
NOTE: *Rear venting is recommended to minimize interference with water piping
**Vent lengths are based on a lateral length of 2 feet. Refer to the latest edition of the National Fuel Gas Code for further details. (ANSI Z223.1), or in Canada the latest edition of
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