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Millivolt
(Natural
Gas)
Millivolt
(Propane
Gas)
Manual
Regulator
Pressure Setting
4.5"
10.0"
5.3"
Gas Inlet
Pressure
Max.
10.5"
13.0"
10.5"
Min.
5.0"
12.8
6.0"
Model
Gas
Type
Valve
Type
Orifice
Manifold
Pressure
(w.c.)
BTUH
Max.
Rate
BFM18MTN
Natural Manual
2.60mm
5.3"
33,000
BFR18MTN
Natural Millivolt
#33
4.5"
33,000
PROPANE CONVERSION KIT
Burner Model
Valve Type
Kit Number
BFM18MTN
Manual
CKV123
BFR18MTN
Millivolt
CKV124
NOTE:
The air shutter setting for all models is 1/16" open.
PRODUCT SPECIFICATIONS
Determining the Correct Burner Size for Your Fireplace
MINIMUM FIREPLACE DIMENSIONS
FACTORY BUILT FIREPLACES
CHIMNEY HEIGHT MINIMUM OF 6 FEET
Burner
Model
Log
Set
Size
Rear
Width
A
Depth
B
Front
Width
C
Height
D
Minimum
Vent
in Sq.
Inches
BFM18MTN
18
16
16
20
20
49
MINIMUM FIREPLACE DIMENSIONS
FACTORY BUILT FIREPLACES
CHIMNEY HEIGHT MINIMUM OF 10 FEET
Burner
Model
Log
Set
Size
Rear
Width
A
Depth
B
Front
Width
C
Height
D
Minimum
Vent
in Sq.
Inches
BFR18MTN
18
16
16
20
20
49
FRON
T W
IDT
H
REAR
WIDT
H
DEPT
H
HEIGHT
A
B
C
D
Figure 1
