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Non-combustible material (minimum requirements)
with wooden mantel or other combustible projection:
To install the heater with a wooden mantel, shelf or other
combustible projection above, first measure the non-com-
bustible material shown in Figure 3.3, then refer to Table B.
Figure 3.3 - Measuring Non-combustible Material for Mantel
Table B - Non-Combustible Material Requirements Height and Mantel Location
FP2255
Non-Combustible
Material
measure heat resist
Measurement
12" or more
8" or less than 12"
Less than 8"
10
8" or More
of Non-
Hood
combustible
Material
Heater in Fireplace
or Firebox
Requirements for Safe Installation with Wooden Mantel, Shelf or other Combustible
MJ22
Hood not required. Observe profiles (side
elevations) shown in Figure 3.6 .
Install hood and observe profiles shown
in Figure 3.5 OR Extend non-combustible
material to at least 12" and observe profiles
shown in Figure 3.4.
Extend non-combustible to at least 8", install
hood and observe profiles shown in Figure
3.5 . OR Extend non-combustible material
to at least 12" and observe profiles shown in
Figure 3.4.
Monessen • Mojo Installation/Owner's Manual • 4623-900 Rev. F • 01/23
Projection
MJ27
Hood not required. Observe profile (side
elevations shown in Figure 3.6 .
Install hood and observe profiles shown in
Figure 3.5 . OR Extend non-combustible
material to at least 12" and observe profiles
shown in Figure 3.6.
Extend non-combustible material to least
8", install hood and observe profiles shown
in Figure 3.5 . OR Extend non-combustible
material to at least 12" and observe profiles
shown in Figure 3.6.
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