Heatilator BIR42 Owner's Manual page 18

6
E
D
As a
room
divider
84 in.
(2134 mm)
48 in.
(1219 mm)
Model #
BIR42 in.
mm
F
Across a
B
C corner
G
B
A B
77 7/8 53 7/8
1978 1368
NOTICE:
B
A
In an exterior chase
or projecting into a
garage
24 in. (610 mm)
from fireplace opening to
any perpendicular wall
Along a wall
A
B
C D
95 1/4 47 5/8
2419 1210
1-1/2 in. min. air space
Note:
from fireplace to
G combustible materials.
1/2 in. min. air space at
nailing flanges.
Note: In addition to these
framing dimensions, also
reference the following
sections:
(6.C)
(14.A.)
5/8 in. (16 mm) all
configurations
G
E F
22 1/2 67 3/8
572 1711
G
28 3/8
721