18
54D0700
FP1953
rigid pipe
DVR584-600
Rear vent no elbows
2/99 djt
Top View Flat
Installation
Maximum
20"
FP1954
wall framing
9
1
/
"
(241 mm)
9
1
/
"
(241 mm)
3
3
/
4
"
(92 mm)
7
1
/
"
(190 mm)
FP1954
BDV Series Gas Fireplace
REAR (THROUGH THE WAll) APPlICATIONS
When installed as a rear vent unit this appliance may be vented directly to a termination
located on the rear wall behind the appliance
• The maximum horizontal distance between the rear of the appliance and the outside of
termination is 20" (508 m).
Figure 14
• Only one 45° elbow is allowed in these installations.
VENtING INStALLAtION
Sealant is not required to assemble BDV/DVB
fireplace venting. Do not use silicone sealant
at the flue exhaust connections.
1. Find the pipe section’s direction label. The
label arrow shall be pointed away from
the firebox and toward the termination.
Firmly insert the initial rigid section/elbow
into the firebox outer collar. Simpson “GS”
and Selkirk “DT” outer walls are hemmed
and will snap into the collar’s tabs. Attach
Simpson’s DirectVent Pro by fully insert-
ing into the collar and securing with self
tapping screws. The screws shall only
penetrate the flue outer wall.
Refer to vent manufacturer’s installation
instructions to properly assemble flue.
2. Locate and cut the vent opening in the wall.
For combustible walls first frame in
opening.
Combustible Interior Walls:
Cut a 11
1
⁄
"H
x 9
1
⁄
" W hole through the interior wall.
Combustible Exterior Walls:
Cut a 9
1
⁄
"H
x 9
1
⁄
"W square hole through the exterior
wall frame.
Figure 16
Noncombustible Walls:
Hole opening
should be 7
1
⁄
" (190mm) in diameter.
3. The center of the hole should line up with
the center line of the horizontal rigid vent
pipe end. Pipe shall always run level or
uphill on horizontal runs. Never run pipe
down hill.
Figure 16
Figure 14 - Rear Vent Application,
Maximum Horizontal Distance
Figure 16 - Exterior Wall Framing Dimensions
Note: Horizontal runs of vent
must be supported every three
feet (914mm). Use wall straps
for this purpose.
Figure 15 - Rigid Vent Pipe Connections
Female
Locking Lugs
Male Slots