8
W415-0381 / H / 12.07.07
Use the GD401 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.
FIGURES 4 a-b
FIGURE 5
TYPICAL VENT INSTALLATIONS
NOTE: When terminating vertically, the restrictor plate
W500-0205 must be installed. Refer to Restricting Ver-
tical Vents.
PERISCOPE TERMINATION
SPECIAL VENT INSTALLATIONS
* See venting section
Содержание BGD42
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