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20
HORIZONTAL TERMINATIONS
MINIMUM:
18” (457mm) minimum vertical rise + 90° elbow + 9” (229mm) minimum hori termination cap.
MAXIMUM:
18” (457mm) minimum vertical rise + 90° elbow + 20ft. (6.1m) maximum hori termination cap.
90° ELBOW
HORIZONTAL VENT
HEAT SHIELD
TERMINATION CAP
HORIZONTAL RUN
VERTICAL RISE
Figure 20a
MINIMUM:
18” (457mm) minimum vertical rise / 9” (229mm) minimum horizontal
MAXIMUM:
18” (457mm) minimum vertical rise / 20ft. (6.1m) maximum horizontal
HORIZONTAL VENT HEAT SHIELD
1. Loosen, but do not remove center two screws on top of fireplace.
2. Bend horizontal heat shield at perforation to a 90° angle. Slide (2) slots on horizontal vent heat shield under loosened screws.
3. Re-tighten screws.
ATTACHMENT SCREWS
Figure 20b
VENTING