Table of Contents
Advertisement
Natural Draft Vertical Venting with-
out Add-on Condensing Heat
Exchanger (Category I)
Fig. 21: Natural Draft Vertical Venting without Add-on Condensing Heat Exchanger (Category I)
ADB-1501
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 fur-
ther details (ANSI Z223.1), or in Canada, the latest edition of CSA B149.
Table K: Natural Draft Vertical Vent without Add-on Condensing Heat Exchanger
28
Advertisement
Table of Contents
