
10
Heatilator • GNTC50 • 4002-095 Rev H • 06/07
Measured from
top of hood (in inches)
1 - 3
4 - 6
7 - 9
10- 12
4-1/2
6-1/2
7-1/2
8-1/2
34-1/2 in.
minimum
to ceiling
Figure 3.3 Clearances to Mantels or Other Combustibles Above
Appliance
1 in. (25 mm) min.
to perpendicular wall
A
3-1/2 in. (89 mm) min.
from fireplace opening
to perpendicular wall
B
48 in.
(1219 mm)
max.
Mantel Leg or
Perpendicular Wall
Top of
Appliance
Drywall
A
B
Figure 3.4 Clearances to Mantel Legs or Wall Projections (Accept-
able on both sides of opening)
D. Mantel Projections