DVB4136 Direct Vent Gas Fireplace
| Max. Height 40’ (12.2 m) | |
| Min. Height 8’ (2.4 m) |
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| Max. 10’ (3 m) |
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| Support Straps |
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| Every 3’ (.9 m) |
| Max. | Max. 10’ (3 m) |
| Height 40’ (12.2 m) |
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| Min. |
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| Height 8’ (2.4 m) |
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| FP1183 |
Fig. 39 | Support straps for horizontal runs. | |
1 + 2 + 3 + 4 = 270° |
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FP1179
Fig. 40 Maximum elbow usage.
22
Vertical Through-the-Roof Installation
1.Locate your fireplace.
2.Plumb to center of the (4”) flue collar from ceiling above and mark position.
3.Cut opening equal to 9³⁄₈” x 9³⁄₈” (240 mm x 240 mm).
4.Proceed to plumb for additional openings through the roof. In all cases, the opening must provide a minimum of 1 inch clearance to the vent pipe, i.e., the hole must be at least 9³⁄₈” x 9³⁄₈” (240 mm x 240 mm).
5.Place fireplace into position.
6.Place firestop(s) #7DVFS or Attic Insulation Shield #7DVAIS into position and secure. (Fig. 41)
7.Install roof support (Fig. 42) and roof flashing making sure upper flange is below the shingles. (Fig. 44)
8.Install appropriate pipe sections until the venting is above the flashing. (Fig. 44)
9.Install storm collar and seal around the pipe.
10.Add additional vent lengths for proper height. (Fig. 44)
11.Apply high temperature sealant to 4” and 7” collars of vertical vent termination and install.
If there is a room above ceiling level, fire stop spacer must be installed on both the bottom ad the top side of the ceiling joists. If an attic is above ceiling level a 7DVAIS (Attic Insulation Shield) must be installed.
The enlarged ends of the vent section always face downward.
Attic Insulation |
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Shield |
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Upper Floor |
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11” | 11” |
(279 mm) | (279 mm) |
Ceiling Installation |
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Joist |
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| Firestop |
| Spacer |
Nails (4) | FP1029 |
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Fig. 41 Place firestop spacer(s) and secure. | |
| 20012322 |
