kozy heat Lakefield 56150 Installation And Operation Manual page 11

HORIZONTAL TERMINATIONS
The minimum horizontal venting configuration is 3 ft. vertical
from the top of the fireplace followed by a 90-degree elbow,
then 1 ft. horizontal thru exterior wall.
VERTICAL TERMINATIONS:
Minimum vertical vent run: 3 ft.
Maximum vertical vent run: 40 ft.
RESTRICTOR REQUIREMENTS:
Small restrictor: Straight vertical vent runs between 10' - 15'.
Large restrictor: Straight vertical vent runs between 15' - 40'.
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