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Raypak 750 User Manual

Page 31

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31

SECTION J-1

Natural Draft Vertical Venting Without Add-on Condensing
Heat Exchanger (Category I)

Figure J-1
NATURAL DRAFT VERTICAL VENT WITHOUT ADD-ON CONDENSING HEAT EXCHANGER*

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 CAN/CGA-B149.1 and B149.2.

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