Special Vent Installations; Periscope Termination; Corner Termination - Napoleon GDS25N Installation And Operating Instructions Manual

10
3.2

SPECIAL VENT INSTALLATIONS

3.2.1 PERISCOPE TERMINATION

Use the periscope kit to locate the air termination above grade. The periscope must be installed so that
when fi nal grading is completed, the bottom air slot is located a minimum of 12" above grade. The maximum
allowable vent length is 10'.
24" MIN REGARD-
LESS OF HORIZON-
TAL VENT LENGTH
25 5/8"
BELOW GRADE INSTALLATION
MAXIMUM 10FT VENT LENGTH
USE GD201 PERISCOPE KIT
HORIZONTAL RUN NOT TO EXCEED
VERTICAL RISE

3.2.2 CORNER TERMINATION

W415-0547 / G / 12.15.10
12" MIN TO
GRADE
57"
MINIMUM
25 5/8"
MAXIMUM HORIZONTAL RUN
20FT MAX
12" MIN TO
GRADE
9.2
24" MAX