Optima 72
15
VENTING - VERTICAL TERMINATION CHART
• Chart is for one 90° bend, with a 1/4” (6 mm) minimum vertical rise per running foot of
horizontal length.
• For each additional 90° or two 45°, add one foot of vertical height.
• Maximum three 90º bends, or equivalent allowed in the system.
• Minimum 2 ft (610 mm) straight length between bends.
The appliance will not function without being connected to a proper venting system. This
appliance may only use direct vent system approved by Archgard, or Simpson Dura-Vent
direct vent systems with Archgard 999-DV-SDA adapter.
Please strictly follow the venting instructions for optimum performance
from the appliance and to avoid sooting and/or service calls.
VENTING ABOVE ROOF OF THE HOUSE USING A VERTICAL TERMINATION
Use Simpson Dura-Vent listed direct vent system caps for all vertical vent termination
applications (through the roof).
.610 m
1.22 m
1.83 m
2.44 m
3.05 m
3.66 m
7.93 M
7.32 M
6.71 M
6.10 M
5.49 M
4.88 M
4.27 M
3.66 M
3.05 M
2.44 M
1.83 M
1.22 M
610 mm
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VENTING CHART
HORIZONTAL LENGTH
NOTE: NO INSTALLATIONS
ARE PERMITTED OUTSIDE
OF THIS RANGE
SEE PAGE 14 FOR RESTRICTOR
SHAPE & PLACEMENT
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