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Heatilator • ICON DV-IDV Series • 4042-575 • Rev. S • 5/1122
Horizontal
Vertical
8-1/2 in.
8-1/2 in.
12 in.
On 45° runs, 1 ft (.3 m) of diagonal is equal to 8-1/2 in. (216
mm) horizontal run and 8-1/2 in. (216 mm) vertical run.
A. Approved Pipe
This appliance is approved for use with Hearth & Home
Technologies DVP venting systems. Refer to Section
16.B. for vent component information.
DO NOT mix pipe, fi ttings or joining methods from differ-
ent manufacturers.
The pipe is tested to be run inside an enclosed wall.
There is no requirement for inspection openings at each
joint within the wall.
WARNING! Risk of Fire or Asphyxiation. This appliance
requires a separate vent. DO NOT vent to a pipe serving a
separate solid fuel burning appliance.
C. Use of Elbows
Diagonal runs have both vertical and horizontal vent aspects
when calculating the effects. Use the rise for the vertical
aspect and the run for the horizontal aspect (see Figure
7.1).
Two 45º elbows may be used in place of one 90º elbow.
On 45º runs, one foot of diagonal is equal to 8-1/2 in. (216
mm) horizontal run and 8-1/2 in. (216 mm) vertical run. A
length of straight pipe is allowed between two 45º elbows
(see Figure 7.1).
Figure 7.1 Using Two 45° Elbows
7
7
Vent Information and Diagrams
B. Vent Table Key
The abbreviations listed in this vent table key are used in
the vent diagrams.
D. Measuring Standards
Vertical and horizontal measurements listed in the vent
diagrams were made using the following standards.
• Pipe measurements are shown using the effective length
of pipe (see Figure 7.2).
• Horizontal terminations are measured to the outside
mounting surface (fl ange of termination cap) (see
Figure 6.1).
• Vertical terminations are measured to bottom of
termination cap.
• Horizontal pipe installed level with no rise.
Figure 7.2 Pipe Effective Length
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
Subsequent sections of horizontal length
Effective
Height/Length
DVP Pipe
(see chart)
Pipe
inches
mm
DVP4 4 102
DVP6 6 152
DVP12 12 305
DVP24 24 610
DVP36 36 914
DVP48 48 1219
DVP6A 3 - 6 76 - 152
DVP12A 3 - 12 76 - 305
Effective Height/Length