8
TYPICAL VENT INSTALLATIONS
NOTE:
When terminating vertically, the restrictor plate
FIGURES3a-c
*When installing with no vertical rise, ensure that the vent pipe does not slope downward.
SPECIAL VENT INSTALLATIONS
PERISCOPE TERMINATION
Use the GD401 periscope kit to locate the air termination above grade. The periscope must be installed so that when final grading is completed, the bottom air slot is located a minimum of 12 inches above grade. The maximum allow- able vent length depends on the fireplace, as illustrated.
FIGURE 4
