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NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
7
40"
(1016 mm)
Front
37"
(940 mm)
7-3/16"
(183 mm)
36"
(914 mm)
2"
(51 mm)
12-1/2"
(318 mm)
37"
(940 mm)
20-1/4"
(514 mm)
Left Side
Right Side
40"
(1016 mm)
27-1/4"
(692 mm)
20-1/4"
(514 mm)
7-13/16"
(198 mm)
Top View
Gas Line
Access
Combustion
Air Inlet
20-3/16"
(513 mm)
9-7/8"
(251 mm)
17-3/8"
(441 mm)
32"
(813 mm)
9-5/8"
(244 mm)
27-7/8"
(708 mm)
Appliance Top Spacer
Appliance
Top Spacer
Junction
Box
Gas Line
Access
42"
(1067 mm)
42"
(1067 mm)
1"
(25 mm)
9-1/16"
(230 mm)
12-7/8"
(327 mm)
9-3/16"
(233 mm)
3-5/16"
(84 mm)
FIREPLACE SPECIFICATIONS
Notes
Due to Lennox' ongoing commitment to quality,
all specifi cations, ratings and dimensions are
subject to change without notice.
All framing dimensions calculated for 1/2"
dry wall at the fi replace face. If sheathing the
chase or fi nishing with other thickness materials,
calculations will need to be made.
See Page 6 for Ceiling and Roof Framing
Dimensions
Diagrams & Illustrations Not to Scale
Product Reference Information
Cat.
No.
Model Ship.
Wt.
Ship.
Volume
H4630 BC36MH 175 lb. 20.7 cu. ft.
H4631 BCD36MH 180 lb. 20.7 cu. ft.
Framing Dimensions
Fireplace Opening Width
A 41-1/4” 1048 mm
B 37-1/2" 953 mm
C 28-3/4" 730 mm
D 15-3/8" 391 mm
E 70" 1778 mm
F 35" 889 mm
G 20-5/8" 524 mm
H 19-5/8" 498 mm
J 49-1/2" 1257 mm
WH Report No.
J99025865A
Header
Fireplace Framing
B
A
(See Note)
A
G
Inside Chase
Back Wall of Chase/Enclosure
Including Finising Materials if any
Rough
Framing Face
(Unfinished Shown)
FOAK-6 Outside
Air Kit
A
G
C
H
Including Finising Materials if any
Rough Framing Face (Unfinished Shown)
Back wall of Chase/Enclosure
Corner Installation
J
D
A
E
F
Back Wall of
Chase/Enclosure
Including Finising
Materials
if any
Rough
Framing Face
(Unfinished Shown)
Figure 12
(
see notes)