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20
B
A
12 in.
[305 mm]
9 3/4 in.
[248 mm]
12 in.
[305 mm]
10 3/4 in.
[273 mm]
FLUSH
FRONT
4 in.
[102 mm]
BRICK
FRONT
50° angle
39° angle
Grid represents 1 in. scale
A
Fireplace
Opening
B
Outside
Dimensions
in.
36 42
mm
914 1067
in.
42 48
mm
1067 1219
EM-415
EM-485
Model #
D. Frame the Fireplace
Figure 6.4 shows typical framing using combustible materials (2x4 lumber shown).
• Observe all required air space clearances to combustible materials as shown in Figure 6.2.
• Framing across the top of replace must be above top standoffs.
B
C
A
2 in. (51 mm)
min. air space
clearance
from chimney.
Header MUST NOT be notched!
D
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.
Model #
A B* C** D
EM-415
in. 43 23 41 1/2 8
mm 1092 584 1054 203
EM-485
in. 49 23 41 1/2 8
mm 1245 584 1054 203
* If interior of chase will be drywalled, add the thickness to this measurement.
** Adjust header height for a raised floor under fireplace.
Figure 6.4 Framing the Fireplace
C. Sidewalls/Surrounds
• Adjacent combustible sidewalls must be located a minimum of 12 in. (305 mm) (may be 24 in) from the replace
opening.
• Combustible and non-combustible mantel legs, surrounds and stub walls may be constructed per Figure 6.3.
Figure 6.3 Mantel Leg or Wall Projections (Acceptable on both sides of opening)
Heat & Glo • EM-415, EM-485 • 33056 • Rev AF• 7/12