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Mantel Clearances Without Hood (Figure 4)
You must have non-combustible materials above the fireplace or
firebox opening. Non-combustible material must extend at least
12" above fireplace or firebox 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.
Figure 4
If your installation does not meet the above clearances, you must
proceed to one of the following steps:
•
Use a hood.
•
Operate the heater with flue damper open. See page 12 for
Installing as a Vented Appliance.
•
Raise the mantel to the proper height.
•
Remove the mantel.
Non-Combustible
Material Distance
Requirements for 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.
Minimum Dimensions For Solid Fuel Burning Fireplaces
UL127 Factory Built Fireplaces (Figure 2)
Model
A
B
C
D
VF(R,I)L1810
21"
13"
28"
17"
VF(R,I)L18
21"
13"
28"
17"
VF(R,I)L24
27"
13"
34"
18"
VF(R,I)L30
33"
13"
40"
20"
The dimensions shown and defined in the fireplace manufacturer’s
instructions are minimum clearances to maintain in installing this
gas appliance. Left and right clearances are determined when facing
the front of the appliance.
Glass Doors
Make sure that glass doors are open during all operations of the
Loft Burner. The opening of the glass door frame should be the
dimension used for the minimum front opening of the firebox.
Follow these instructions to ensure safe installation.
Failure to follow instructions exactly can create a fire hazard.
Figure 2
Sidewall & Ceiling Clearances (Figure 3)
Figure 3
The sides of the fireplace opening must be 6" from any combustible
wall. The ceiling must be at least 41" (for 18", 24" and 30" gas
appliances) from the fireplace opening.
CLEARANCES
28”
12”
HEAT RESISTANT
MATERIAL
12” WITHOUT
HOOD
10” and less Mantel
LOFT BURNER IN
FIREPLACE OR
FIREBOX
6”
41”
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