G. Vertical Venting Inside Roof Line
- Unit Back Parallel To Outside Wall
Page 27
1998-2006 Edition
A vertical vent system constructed of rigid "PL" type chimney pipe may be required if a horizontal termination
cannot provide the required clearances to combustible materials and/or clearances from the vent cap to any
air intake openings to the interior of the home cannot be adhered to. Follow the vent pipe manufacturer's
instructions to complete the installation of all vertical vent systems. Also see the "Conventional Direct
Through-the-Wall Horizontal Vent System" section of this manual.
Vertical Venting Inside Roof Line is desirable when the vent pipe cannot be run outside the home in an
unobtrusive location. This type of vent system is more labor intensive and tougher to install than Vertical
Venting Outside Roof Line.
Parts List
1. 3” (76mm) Cleanout T PL-Type
2. 3” (76mm) Pipe to 4” (102mm) Pipe Adapter PL-Type
3. 4” (102mm) Pipe PL-Type
4. Ceiling Firestop
5. Roof Flashing
6. Exhaust Cap/Rain Cap
7. 1-5/8” (41mm) Flexible Hose or Rigid Pipe
8. 1-5/8” (41mm) Air Intake Cap with Rodent Screen
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