Filter
Top Products
Heatilator • I80 CAN-US • 4013-203 Rev F • 04/08
31
A
B
C
Noncombustible Material
Hearth Strip
20 in.
(508 mm) Min.
Hearth Extension
Micore
Floor
Note: Maximum height from floor
under fireplace to top of finished
hearth extension is 7-5/8 in. (195 mm)
Figure 8.4 Raised Hearth Extension
12 in.
Min.
12 in.
Min.
20 in.
Min.
30 in. min.
12 in.
Min.
12 in.
Min.
Noncombustible Material
Hearth Strip
30 in. Min.
Hearth Extension
Micore
Floor
Note: Maximum height from floor
under fireplace to top of finished
hearth extension is 7-5/8 in.
Figure 8.5 Flush Hearth Extension
Figure 8.3 Hearth Extension Dimensions
CAT. # A B C
HX3 in 52 16 8
mm 1321 406 203
HX4 in 66 20 12
mm 1676 508 305