Clearances And Height Requirements - Vermont Castings PH24 Appliance Installation And Operating Instructions

PH Gas Logs
The dimensions shown in Figures 3 through 11 and defi ned in the fi replace 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 fi rebox, minimum clearances, as specifi ed by the ventless
fi rebox manufacturer, must be met.
Follow these instructions carefully to ensure safe installation. Failure to follow instructions
exactly can create a fi re hazard.
Sidewall and ceiling clearances: The sides of the fi re-
place opening must be at least 16" from any combustible
wall. The ceiling must be at least 42" from the top of the
fi replace opening.
16"
Figure 3 -
Sidewall and Ceiling Clearances
Heat resistant material (minimum requirements)
with no wooden mantel or other combustible
projection:
To install the gas logs into a fi replace with no wooden
mantel, shelf or other combustible projection above the
fi replace opening, measure the heat resistant material
height, per Figure 4, 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 clear-
ances you must operate the heater with chimney fl ue
damper open. Refer to "Installing Vented Applications"
found on Page 14.
8
42"
FP1996
CLEARANCES
AND
Figure 4 -
Measure Heat Resistant Material
Table A -
Heat Resistant Material Requirements with No
Mantel or Combustible Projection
Heat Resistant Material
Measurement
12" or more
8" or less than 12"
Less than 8"
HEIGHT REQUIREMENTS
Heat
Resistant
Material
Measure This
Distance
Heater in
Fireplace or
Firebox
FP2922
PH18/24 Requirements
for Safe Installation
Hood not required
Extend resistant material to
12" or install hood. Figure 5
Extend heat resistant material
to at least 8" and install hood.
Figure 5. OR, extend heat
resistant material to a height
of at least 12"
65D2035