White Mountain Hearth VFSR-16-3 Installation Instructions And Owner's Manual page 8

Unvented gas log heater or vented decorative appliance white mountain vented/vent-free burner
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Sidewall & Ceiling Clearances
18", 24", 30" Log
16" Log
The sides of the fireplace opening must be 6" from any combustible
wall. The ceiling must be at least 36" (for the 16" log) and 41" (for 18",
24" and 30" logs) from the fireplace opening.
Mantel Clearances Without Hood
You must have non-combustible materials above the fireplace opening.
Non-combustible material must extend at least 12" above fireplace
opening. With sheet metal, you must have non-combustible material
behind it.
Heat resistant materials such as slate and marble must be at least 1/2"
thick. Sheet metal should not be installed onto combustible material.
HEAT RESISTANT
MATERIAL
12" WITHOUT
HOOD
If your installation does not meet the above clearances, you must pro-
ceed to one of the following steps:
• Use a hood
• Operate the heater with flue damper open. See page 10 for Installing
as a Vented Appliance.
• Raise the mantel to the proper height.
• Remove the mantel.
Page 8
CLEARANCES (continued)
(Figure 3)
41"
36"
Figure 3
(Figure 4)
10" and less
Mantel
28"
12"
HEATER IN FIREPLACE
OR FIREBOX
Figure 4
Non-Combustible
Requirements for
Material Distance
Safe Installation
12" or more
Non-combustible material.
Less than 12"
Non-combustible material must be extended
to at least 8" with the installation of the
optional fireplace hood. If you cannot extend
non-combustible material at least 8", you
must operate heater with flue damper open.
Mantel Clearances with Hood
You must have non-combustible materials above the fireplace opening.
Non-combustible material must extend at least 8" above fireplace opening.
With sheet metal, you must have non-combustible material behind it.
Heat resistant materials such as slate and marble must be at least 1/2"
thick. Sheet metal should not be installed onto combustible material.
Example: A mantel may project from the wall a maximum of 2" at a
minimum of 13-1/2" above the opening, and a maximum of 6" at a mini-
mum of 15" above the opening.
HEAT RESISTANT
MATERIAL
8" WITH HOOD
If your installation does not meet the above minimum clearances, you
must proceed to one of the following steps:
• Operate the heater with the flue damper open. See page 10 for Installing
as a Vented Appliance.
• Raise the mantel to the proper height.
• Remove the mantel.
Floor Clearance
(Figure 6)
If installing heater at floor level, the minimum distance to combustibles
is "0" inches.
(Figure 5)
8" Mantel
6" Mantel
4" Mantel
2" Mantel
14.25"
16.0"
13.5"
15.0"
HOOD
HEATER IN
FIREPLACE
OR FIREBOX
Figure 5
Figure 6
15994-2-0504

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