Clearances And Height Requirements - Monessen Hearth HVFL24 Installation And Operating Instructions Manual

Heat resistant material (minimum requirements) with no wooden mantel or other combustible projection:
To install the gas logs into a fireplace with no wooden mantel, shelf or other combustible projection above the fireplace
opening, measure the heat resistant material height, per Figure 5, then see TABLE A.
Heat resistant materials such as slate and marble must be at least 1/2" thick. Sheet metal should not be installed
onto combustible material.
IMPORTANT: If you cannot meet these minimum clearances you must operate the heater with chimney flue damper open.
Refer to "Installing Vented Applications" found on page 18.
HEAT RESISTANT
MATERIAL
MEASUREMENT
12" or more
8" to less than 12"
Less than 8"
TABLE A - Heat Resistant Material Requirements with no Mantel or Combustible Projection
59D1015

CLEARANCES and HEIGHT REQUIREMENTS

Heat
Resistant
Material
Figure 5 - Measuring Heat Resistant Material
REQUIREMENTS FOR SAFE INSTALLATION
HVFL18
Hood not required.
Hood not required.
Extend heat resistant
material to at least 8"
and install hood.
See Figure 5.
Measure
this
distance
Heater in
Fireplace or
Firebox
HVFL24
Hood not required.
Extend heat resistent material to 12"
or install hood. See Figure 5.
Extend heat resistant material to at
least 8" and install hood. See Figure
5. OR, extend heat resistant mater-
ial to a height of at least 12".
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