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FLUSH
FRONT
22 3/8 in.
[568 mm]
18 1/2 in.
[470 mm]
[610 mm]
E
2 in. (51 mm)
min. air space
clearance
from chimney.
C
B
Note: Grid depicts 1 inch squares.
60-7/8 in.
24 in.
Note: Framing must be
extended straight up,
all the way to the ceiling.
D
A
D
Model #
BIR-50
in.
mm
* If interior of chase will be drywalled, add the thickness to this meaurement.
** Adjust header height for raised floor under fireplace.
BRICK
FRONT
50 in.
24 in.
[610 mm]
The header cannot be positioned until
after the fireplace assembly is in place.
Header MUST NOT be notched!
D = extra space needed for outside air connection.
If outside air duct has no bend, this dimension may be
reduced as long as minimum clearances are met.
A
B *
C **
61 7/8
28 3/8
74 1/2
1572
721
1892
4 in.
[102 mm]
19 3/4 in.
[500 mm]
D
E min.
12
21
305
533
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