Clearances And Height Requirements - Monessen Hearth EYF18-R Installation And Operating Instructions Manual

EYF Series Unvented Gas Log Set
CLEARANCE and HEIGHT REQUIREMENTS
The dimensions shown in Figures 4
through 10 and defined in the fireplace
manufacturer's instructions are minimum
clearances to maintain when installing
this heater. Left and right clearances are
determined when facing the front of the
heater.
When heater is installed into a ventless
firebox, minimum clearances, as specified
by the ventless firebox manufacturer, must
be met.
Follow these instructions carefully to
ensure safe installation. Failure to follow
instructions exactly can create a fire
hazard.
Sidewall and ceiling clearances: The sides of the fire-
place opening must be at least 16" from any combustible
wall. The ceiling must be at least 42" from the top of the
fireplace opening.
16"
Figure 4 -
Sidewall and Ceiling Clearances
FP1996
wall ceiling clearances
8 Monessen • EYF18/24 Gas Log Heater Installation/Owner's Manual • 65D1009 • Rev G • 01/2020
42"
FP1996
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 clearanc-
es you must operate the heater with chimney flue damper
open. See Installing Vented Appliances found on page 10.
Heat
Resistant
Material
Figure 5 -
Mantel Clearance without Hood
FP2533
Table A -
mantel clear no hood
Heat Resistant Material Requirements with No
Mantel or Combustible Projection
Heat Resistant Material
Measurement
12" or more
8" to less than 12"
Less than 8"
INSTALLATION
Measure This
Distance
Heater in Fireplace
or Firebox
FP2533
EYF24/18 Requirements
for Safe Installation
Hood not required.
Extend heat resistant material
to at least 12" or install hood.
Figure 4
Extend heat resistant material
to 8" AND install hood. Fig. 4.
OR extend heat resistant
material to a height of at
least 12".