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Heatilator • Caliber Multi-Sided Direct Vent • 4002-079 Rev K • 11/07
A. Vent Table Key
The abbreviations listed in this vent table key are used in the
vent diagrams.
Symbol
Description
V
1
First section (closest to appliance) of vertical length
V
2
Second section of vertical length
H
1
First section (closest to appliance) of horizontal length
H
2
Second section of horizontal length
Fire Risk
Explosion Risk
Asphyxiation Risk
Do NOT connect this gas appliance to a
chimney
À
ue serving a separate solid-fuel
or gas burning appliance.
• Vent this appliance directly outside.
• Use separate vent system for this
appliance.
May impair safe operation of this appliance or
other appliances connected to the
À
ue.
WARNING
B. Use of Elbows
Diagonal runs have both vertical and horizontal vent aspects
when calculating the effects. Use the rise for the vertical as-
pect and the run for the horizontal aspect (see Figure 5.1).
Two 45° elbows may be used in place of one 90° elbow. On
45° runs, 1 ft of diagonal is equal to 8-1/2 in. horizontal run
and 8-1/2 in. vertical run. A length of straight pipe is allowed
between two 45° elbows (see Figure 5.1).
ALL vent configuration specifications MUST be
followed.
• This product is tested and listed to these
speci
¿
cations.
• Appliance performance will suffer if speci
¿
cations
are not followed.
CAUTION
C. Measuring Standards
Vertical and horizontal measurements listed in the vent dia-
grams were made using the following standards.
• Pipe measurements are shown using the effective length
of pipe (see Figure 5.2).
• Measurements are made from the appliance outer wrap,
not from the standoffs.
• Horizontal terminations are measured to the outside
mounting surface (
À
ange of exterior termination) (see
Figure 4.1).
• Vertical terminations are measured to top of last pipe
before termination cap.
• Horizontal pipe installed level with no rise
Horizontal
Vertical
8-1/2 in.
8-1/2 in.
12 in.
Figure 5.1 Using Two 45° Elbows
Effective
Length
DVP Pipe
(see chart)
Pipe
Effective Length
DVP4
4 in. (102 mm)
DVP6
6 in. (152 mm)
DVP12
12 in. (305 mm)
DVP24
24 in. (610 mm)
DVP36
36 in. (914 mm)
DVP48
48 in. (1219 mm)
DVP6A
3 to 6 in. (76 to 152 mm)
DVP12A
3 to 12 in. (76 to 305 mm)
DVP12MI 3 to 12 in. (76 to 305 mm)
DVP24MI 3 to 24 in. (76 to 610 mm)
Figure 5.2 DVP Pipe Effective Length
5
Vent Information and Diagrams