Monessen Hearth NB24 - Manual (Page 16)

16 81D0107
Heater in
Fireplace or
Firebox
1 3 /
8
" Minimum
Combustible
Material
14" Minimum
Heater in
Fireplace or
Firebox
Combustible
Material
This Distance
May Now Be
Less than 1
3 /
8
"
FLOOR CLEARANCE
The gas log heater must be installed at least 1 3 /
8
" above any combustible flooring material, such as carpeting or tile, which
is closer than 14" to the base of the fireplace. The minimum distance must be maintained from the top surface of carpeting,
tile, etc. See Figure 11.
OR
The gas log heater may be installed nearer to the floor if a minimum of 14" of noncombustible material such as slate or marble
is installed between the base of the fireplace and the combustible flooring. See Figure 12.
Figure 11 - Minimum Clearance above Combustible Flooring
Figure 12 - Minimum Clearance above Combustible Flooring with
Noncombustible Material Installed at Base of Fireplace