Section 3 — Stack and Intake Vent Sizing and Installation
3-6 Part No. 750-363
!
Caution
Follow items listed below to avoid personal injury or property
damage.
• Cut nonmetallic vent pipe with fine-toothed hacksaw (34 teeth per
inch).
• Do not use nonmetallic vent pipe or fittings that are cracked or
damaged.
• Do not use nonmetallic vent fittings if they are cut or altered.
• Do not drill holes, or use screws or rivets, in nonmetallic vent pipe
or fittings.
3.2 VERTICAL VENTING / INSIDE COMBUSTION AIR
Figure 3-2 Vertical Stack with Inside Combustion Air
Flue Gas Vent
24"
Minimum
10'-0" or Less
48"
Minimum
Termination
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