Fireplace Framing - Monessen Hearth Direct Vent Gas Fireplace BDV400 Installation And Operating Instructions Manual

FIREBOX FRAMING
Firebox framing can be built before or after the appliance is set in place. Construct firebox framing following Figure 2 and
the chart below for your specific installation requirements. See Figure 3 on Page 8 for firebox dimensions. The framing
headers may rest on the top of the firebox standoffs. Do not bring headers below top of standoffs.
The firebox may be installed directly on a combustible floor or raised on a platform of an appropriate height. When the
firebox is installed directly on carpeting, tile, or other combustible material, other than wood flooring, the firebox shall be
installed on a metal or wood panel extending the full width and depth of the enclosure.
Do not fi ll spaces around fi rebox with
insulation or other materials. This
could cause a fi re.
Corner Installation
B
A
Stud Location
54D0700
D
C
A
E
Figure 2 - Framing Dimensions
300
1
A 33 / "
2
1
B 37 / "
4
1
C 28 / "
4
1
D 14 / "
8
11
E 55 /
16
13
F 27 /
16
3
G 13 / "
4
3
H 39 /
8
F
G
Inside Chase Installation
Recessed Installation

FIREPLACE FRAMING

400 500
1 1
37 / " 41 /
2 2
7 7
40 / " 40 /
8
1 1
29 / " 33 /
4
5 5
14 / " 16 /
8
7 7
" 60 / " 64 /
8
7 7
" 30 / " 32 /
16 16
3 3
15 / " 15 /
4
1 7
" 43 / " 45 /
16
C
A
C
A
600
1
" 47 / "
2
7
" 40 / "
8 8
1
" 39 / "
4 4
5
" 19 / "
8 8
7
" 70 / "
8 8
7
" 35 / "
16
3
" 15 / "
4 4
1
" 50 / "
8 8
G
1 5
/ " / "
G
1 / " or 5 / "
2 8
7