Heatilator C40 Installation Manual page 12

1. Minimum Clearances to Combustibles
WITHIN ENCLOSURE AREA
ire la e to a all
ire la e to si e all
Du t oots to ra in
o stan o s to ea er
Door o enin to si e all
EXPOSED SURFACES
a e late to si e all
Heat one air rills to eilin
MANTEL
Mantel ini u ei
Ma i u antel e t
2 in.
( 5 1 m m )
46- 1 /4 in.
( 1 1 75 m m )
24 in.
( 61 0 m m )
The finished cavity depth must
be no less than 24 in. (610 mm)
from the finished backwall to
the outside of front wall framing.
Figure 3.3 Framing the Fireplace
2. Reduced Mantel Height / Optional Framing
Construction Required
Non-combustible
ro ase o re la e to un ersi e o
11 8 en t e ollo in en losure onstru tion
aterials are use
on- o usti le ra in
re la e to ei t o 84 in 2134
in ro ase o re la e or all onstru tion
ra in e ers s eetin
Heatilator • C40 Constitution • 480-2340 Installation Manual • Rev D • 05/30/13
12
1/2 in 13
1 in 25
0 in 0
0 in 0
22- /8 in 581
1 in 40
12 in 305
t 0 in 1524
12 in 305
( 30 5 m m )
P o s it io n c o m b u s t ib l e /
no n- c o m b u s t ib l e m a nt e l
60 in. ( 1 5 24 m m ) f r o m
b a s e o f f ir e p l a c e
42-1/4 in.
( 1 0 73 m m )
48 - 1 /4 in.
( 1 226 m m )
antel aterial ini u
antel 4 in
aterials ust e use a ove
or to t e eil-
an all nis aterials
1 2 in.
ei t
aterials