Sidewalls/Surrounds; Frame The Fireplace - Heatilator I60 Owner's Manual Installation And Operation

C. Sidewalls/Surrounds

• Adjacent combustible sidewalls must be located a minimum 24 in. (610 mm) from the fireplace opening.
• Combustible and noncombustible mantel legs, surrounds and stub walls may be constructed within the gridded area,
Figure 6.3.
Grid represents
inch scale.
FLUSH
FRONT
22 3/8 in.
[568 mm]
24 in.
[610 mm]
Figure 6.3 Mantel Leg or Wall Projections (Acceptable on both sides of opening)
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 6.1 & 6.2.
• Framing across the top of fireplace must be above top standoffs.
2 in. (51 mm)
min. air space
clearance
from chimney.
Figure 6.4 Framing the Fireplace
20
A
B
C
A
B
* If interior of chase will be drywalled, add the thickness to
** Adjust header height for a raised floor under fireplace.
Heatilator • I60, I80 • 4013-250 • Rev H • 1/11
4 in.
BRICK
[102 mm]
FRONT
19 3/4 in.
[502 mm]
24 in.
Model
[610 mm]
I60
I80
Fireplace 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.
D
Model A B*
in. 45 1/2 28
I60
mm
1156 711
in. 51 1/2 28 1/2
I80
mm 1308 724
this measurement.
A B
inches 36 45
mm 914 1130
inches 42 50 1/2
mm 1067 1283
D D
(4" duct) (6" duct)
C**
50 8 12
1270 203 305
50 8 12
1270 203 305