20306741
20
BLDV7 Series Gas Fireplace
VENTING INSTALLATION
1
2
3
4
1
2
3
4
12” Min.
Figure 24 -
Maximum Elbow
Usage
FP1179
VERTICAL THROUGH-THE-ROOF
INSTALLATION
NOTE:
For all top vent vertical through-the-roof installa-
tions, install the supplied cross-bar flue restrictor onto the
top edge of the firebox flue adapter.
Figure 25
1. Locate your fireplace.
2. Plumb to center of the
(4”) flue collar from ceiling
above and mark position.
3. Cut opening equal to 93/4”
x 93/4” (248 x 248 mm).
4. Proceed to plumb for ad-
ditional openings
through the roof. In
all cases, the opening
must provide a mini-
mum of 1 inch clear-
ance to the vent pipe,
i.e., the hole must be at least 93/4” x 93/4” (248 x 248
mm).
5. Place fireplace into position.
6. Place firestop(s) or Attic Insulation Shield into position
and secure.
Figure 26
7. Install roof support
(Figure 27)
and roof flashing mak
-
ing sure upper flange is below the shingles.
Figure 29
8. Install appropriate pipe sections until the venting is
above the flashing.
Figure 29
9. Install storm collar and seal around the pipe.
FP2304
CDV7 top restrictor
3/09
Figure 25 -
Vertical Through-the-Roof
Restrictor (Part #69D3006)
FP2304
FP1029
attic insulation shield
firestop spacers
1/28/00 djt
Attic Insulation
Shield
(7DV1AIS)
Upper Floor
11”
(279 mm)
Ceiling Installation
Joist
Firestop
Spacer
Nails (4)
FP1029
Figure 26 -
Place Firestop Spacer(s) and Secure
10. Add additional vent lengths for proper height.
Figure
28
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 ceil-
ing joists. If an attic is above ceiling level an Attic Insula-
tion Shield must be installed. The enlarged ends of the
vent section always face downward.
FP1184
Typical roof/ceiling
support apps.
Typical Roof
Support
Application
Typical Ceiling
Support
Application
FP1184
Figure 27 -
Venting Supports
1 + 2 + 3 + 4 = 270°
