8
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Note-
Venting requirements for corner installations - the horizontal vent length
“a” to “b,” must not exceed 28 inches (711 mm).
Inches
(millimeters)
*These dimensions occur when one 45 degree elbow
is connected directly to the appliance collar.
*C
Back wall of chase/enclosure
(including any finishing materials)
a
*E
*D
A
*B
7 (178)
b
Figure 10
Figure 9 Framing
FIREPLACE FRAMING SPECIFICATIONS
Corner Framing with Square Termination (SV4.5HT-2)
A
B
7
(178)
5
¹⁄₈
12
¹⁄₈
(308)
10
¹⁄₂
(
267
)
D
VENT FRAMING -
TOP VENT WITH ONE
90
°
ELBOW
Framing should be constructed
of 2x4 or larger lumber.
Inches (mm)
(130)
C is the required framing depth
dimension when the finish material
(drywall) thickness is 1/2 in. (13mm).
¹⁄₂
A
C
l
e
d
o
M
.
o
N
A
B
C
D
E
5
3
V
D
L
E
.
n
i
6
1
/
3
5
3
8
/
5
3
6
5
4
6
1
/
7
5
1
6
1
/
3
1
1
3
m
m
2
9
8
3
4
1
1
3
4
1
1
2
9
3
8
0
7
0
4
V
D
L
E
.
n
i
6
1
/
3
0
4
8
/
5
8
6
2
/
1
8
4
4
/
1
7
1
8
/
3
4
3
m
m
1
2
0
1
3
4
7
1
2
3
2
1
8
3
4
3
7
8
5
4
V
D
L
E
.
n
i
6
1
/
3
5
4
8
/
5
3
7
2
5
9
1
4
/
3
6
3
m
m
8
4
1
1
0
7
8
1
1
2
3
1
3
8
4
3
3
9
.
o
N
l
e
d
o
M
A
B
C
D
5
3
V
D
L
E
.
n
i
6
1
/
9
5
3
6
1
/
5
0
4
6
1
/
7
1
2
2
/
1
6
5
m
m
3
0
9
4
2
0
1
5
4
5
5
3
4
1
0
4
V
D
L
E
.
n
i
6
1
/
9
0
4
6
1
/
5
0
4
6
1
/
7
1
2
2
/
1
6
5
m
m
0
3
0
1
4
2
0
1
5
4
5
5
3
4
1
5
4
V
D
L
E
.
n
i
6
1
/
9
5
4
6
1
/
5
0
4
6
1
/
7
1
2
2
/
1
6
5
m
m
7
5
1
1
4
2
0
1
5
4
5
5
3
4
1
