
BBV, SBV Series Natural Vent Gas Fireplaces
COMBUSTION AIR ASSEMBLY
MODEL OAC-4 COMBUSTION AIR ASSEM-
BLY
emove t e cover plate rom t e outlet openin
location on t e le t outside o t e ireplace
lace startin collar
into ole on le t side o ire
place ireplace s ortest side o air startin collar
t rou ireplace outer rap asten startin collar in
place it our
s eet metal scre s provided
ig
ure
NOTE: The air starting collar extends through the
fireplace outer wrap. When the air starting collar is
securely attached, it will form a seal against the fire-
place wall.
ut a diameter openin or model
in t e
outside all coverin
ere t e outside vent is to be
located
igure
elect and cut a piece o duct lon enou to attac
to t e ireplace and stick out at least beyond t e
ace o t e all to
ic t e
inlet air vent ill
be attac ed ut duct it a standard pocket kni e
igure
W
ARNING
DO NOT remove the cover if the outside
air will not be connected.
Do not use a combustible duct. Always use
UL Listed Class 0 or 1 duct material. If nec-
essary to splice duct, use Model 403 duct
connector to splice duct sections.
&0
ATTACHSTARTCOLLAR
e t ide o
ireplace
tartin
ollar
eet etal
cre s
orter nd o ir
tartin ollar
Figure 12 -
Attach Outside Air Starting Collar to Left Side of
Fireplace
&0
ATTACHOUTSIDEAIRDUCT
ir tartin ollar
cre s
cre s
Duct
e t ide o
ireplace
Figure 13 -
Attach Outside duct to Starting Collar
&0
COMBAIRASSY
Diameter
ole
Duct
tendin
in
Inlet ir
ent
ail
ole
cre s
Figure 14 -
Combustion Air Assembly for Model No. OAC-4
I usin insulatin duct pus t e insulation back rom
one end o t e duct appro imately
igure
lip t e e posed end o t e duct over t e startin col
lar on t e ireplace
sin t e s eet metal scre s provided secure t e
duct end to t e collar attac ed to t e ireplace
ail or scre t e combustion air assembly to t e sur
ace o t e all
W
ARNING
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