venting installation | WDV Series Gas Fireplace |
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termination clearances for buildings with combustible and noncombustible exteriors
G
G=6" (152mm)
V 
Combustible – 6" (152 mm)
Noncombustible – 2" (51 mm)
Inside Corner
G
V 
G = Combustible 24"(610mm) Noncombustible 18"(457mm)
V
F 
F=6" (152mm)
Outside Corner
H |
V |
J |
Combustible & |
Noncombustible |
H = 24" (610mm) |
J = 20" (508mm) |
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C | C |
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V
E 
C = Maximum depth of 48" (1219mm) for alcove location
D = Minimum width for back wall of alcove location Combustible - 38" (965mm) Noncombustible - 24" (610mm)
E = Clearance from corner in alcove location
Combustible - 6" (152mm)
Noncombustible - 2" (51mm)
| Balcony with No Side Wall | Balcony with Perpendicular |
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| Alcove Location |
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Figure 9 - | Side Wall | 40 |
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Allowable Venting Chart |
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| Feet | 36 |
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| CenteroftheHorizontalVentPipe | VerticalDimensionFromtheFloorofUnit |
How To Use The Vent Graph |
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The Vent Graph should be read in conjunction with the | in | 32 |
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Dimensions | 30 |
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following vent installation instructions to determine the |
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relationship between the vertical and horizontal dimensions |
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of the vent system. |
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1. Determine the height of the center of the horizontal vent |
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| pipe exiting through the outer wall. Using this dimen- |
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| sion on the Sidewall Vent Graph below, locate the point |
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| intersecting with the slanted graph line. |
| 50" | 18 |
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| eg: A |
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2. | From the point of this intersection, draw a vertical line | 16 |
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From Floor to |
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| to the bottom of the graph. |
| Center | 14 |
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3. | Select the indicated dimension, and position the fire- |
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| place in accordance with same. |
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| Example: If the vertical dimension from the floor of the |
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| fireplace is 11' (3.4 m) the horizontal run to the face of |
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| the outer wall must not exceed 16' (4.9 m). |
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Sidewall Vent Graph showing the relationship between |
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vertical and horizontal dimensions for a Direct Vent flue |
| 2 | 4 | 6 | 8 10 1214 16 1820 |
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system. |
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| Horizontal dimension from the finished outside | |||||||
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| Figure 10 - | wall to the center of the pipe on the fireplace | |||||
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| Rear Wall Venting Graph |
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78D0011 | 13 |
