7 Vent Information and Diagrams
A. Approved Pipe
This appliance is approved for use with Hearth & Home Technologies DVP or SLP venting systems. Refer to Sec- tion 16B for vent component information.
DO NOT mix pipe, fittings 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 appli- ance requires a separate vent. DO NOT vent to a pipe serving a separate solid fuel burning appliance.
B. Vent Table Key
The abbreviations listed in this vent table key are used in the vent diagrams.
Symbol | Description |
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V1 | First section (closest to appliance) of vertical length |
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V2 | Second section of vertical length |
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H1 | First section (closest to appliance) of horizontal length |
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H2 | Subsequent sections of horizontal length |
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C. Use of Elbows
Diagonal runs have both vertical and horizontal vent as- pects 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
mm)horizontal run and
Vertical in.1/2
Horizontal 
Figure 7.1
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 (flange of termination cap) (see Figure 6.4).
•Vertical terminations are measured to bottom of termination cap.
•Horizontal pipe installed level with no rise.
| Pipe | Effective Length | |
| Inches | Millimeters | |
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| ||
| DVP4 | 4 | 102 |
| DVP6 | 6 | 152 |
Effective | DVP12 | 12 | 305 |
Height/Length | DVP24 | 24 | 610 |
| |||
| DVP36 | 36 | 914 |
| DVP48 | 48 | 1219 |
| DVP6A | 3 to 6 | 76 to 152 |
| DVP12A | 3 to 12 | 76 to 305 |
| DVP12MI | 3 to 12 | 76 to 305 |
| DVP24MI | 3 to 24 | 76 to 610 |
Figure 7.2 DVP Pipe Effective Length |
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Heat & Glo • | 23 |