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VentInG InStaLLatIon
VertIcaL SIDewaLL InStaLLatIon -
t-LocK LocK pIpe
Step 1
Locate vent opening on the wall. It may be necessary to
first position the fireplace and measure to obtain hole lo-
cation. Depending on whether the wall is combustible or
noncombustible, cut opening to size. Figure 18 (For com-
bustible walls first frame in opening.)
note: When using flex vent, the opening will have to be
measured according to the 1/2" (13 mm) rise in 12" (305
mm) vent run.
combustible walls: Cut a 9B\,"H x 9B\,"W (244 x 244 mm)
hole through the exterior wall and frame as shown. Figure
18
noncombustible walls: Hole opening must be 7Z\x" (191
mm) in diameter.
Vent opening for combustible walls
9B\,"
(244 mm) Min.
9B\,"
(244 mm)
Min.
Fireplace Hearth
opening for noncombustible wall
7Z\x"
(190 mm)
Figure 18 -
Fireplace Hearth
Locate vent opening on wall.
Step 2
Secure firestop to the inside frame, center in the 9B\," x
VO584-100
9B\," vent opening.
Vent Opening
Step 3
2/99 djt
Place fireplace into position. Measure the vertical height
(X) required from the base of the flue collars to the center
of the wall opening. Figure 19
Step 4
Install the unitized T-lock vent pipe to the appliance collar,
following T-Lock directions on Page 14. It is not neces-
sary to seal this connection. If a 45° elbow is being used
attach the elbow to the appliance in the same manner
then attach the venting to the elbow.
20301763
Framing Detail
FP2293
Figure 19 -
Vertical Height
Requirement
IMportant: pipe can be twisted in either direction.
however, aLL pIpe MuSt Be rotateD In the SaMe
DIrectIon.
Securing the joints with sheet metal screws is not re-
quired.
Step 5
Measure the horizontal length requirement including a 2"
(51 mm) overlap, i.e. from the elbow to the outside wall
face plus 2" (51 mm) (or the distance required if installing
a second 90° elbow). Figure 20
always install horizontal venting on a level
plane.
Figure 20 -
Horizontal Length
Requirement
Step 6
Use appropriate length of pipe sections - telescopic or
fixed - and install. The sections which go through the wall
are packaged with the starter kit, and can be cut to suit if
necessary.
DVBL7 Series Gas Fireplace
X
FP1181
X
FP1182
X
X
17
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