7
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
LENNOX HEARTH PRODUCTS • CRESTLINE™ SERIES B-VENT GAS FIREPLACES • 36"/42" LSBV MODELS • INSTALLATION INSTRUCTIONS
APPLIANCE AND FRAMING SPECIFICATIONS
Figure 8
Front View
12-15/32
28-15/32
41-5/16
47-9/32
52-11/32
LSBV-36: 41-3/4
LSBV-42: 47-3/4
7-3/32
5-3/4
LSBV-36: 37
LSBV-42: 43
Left Side View
1-7/16
8-7/8
Right Side View
7-7/16
15-27/32
1-25/32
4-13/32
16-1/16
2-9/32
Top View
LSBV-36: 23-1/2
LSBV-42: 29-1/2
20-1/32
8-15/32
19/32
Gas Line
Or Switch
Wire Outlet
Gas Line
Or Switch
Wire Outlet
Combustion
Air Inlet
Junction
Box
Location
Note:
All framing dimensions calculated for 1/2" dry wall at the appliance face. If sheathing the
chase or finishing with other thickness materials, calculations will need to be made.
Corner Installation
K
D
C
A
E
G
F
Back Wall of Chase/Enclosure
Including Finishing Materials
if any
Rough
Framing Face
(Unfinished Shown)
FOAK-4
Combustion
Air Kit
A
H
H
C
G
Inside Chase
Back Wall of Chase/Enclosure
Including Finising Materials
if any
Rough
Framing Face
(Unfinished Shown)
FOAK
Combustion
Air Kit
FOAK
Combustion
Air Kit
A
Outside Chase
G
C
J
Back Wall of Chase/Enclosure
Including Finishing Materials
if any
Rough Framing Face
(Unfinished Shown)
Optional Locations
FATO Adapter
(Optional)
Header
B
A
Fireplace Framing
Fireplace Framing Dimensions - inches (millimeters)
A
B
C
D
E
F
G
H
J
K
LSBV-3628
42-1/4
(1073)
52-1/2
(1344)
23-9/16
(599)
11-1/4
(286)
63-1/2
(1613)
31-3/4
(807)
20-1/2
(521)
4
(102)
7-1/2
(190)
44-3/16
(1122)
LSBV-4228
48-1/4
(1226
52-1/2
(1344
29-9/16
(751)
14-1/4
(362)
69-1/2
(1765)
34-3/4
(883)
20-1/2
(521)
4
(102)
7-1/2
(190)
49-1/8
(1248)