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Do not attach combustible material to the mantel of your fireplace.
This is a fire hazard.
• Turn off gas supply to fireplace or firebox.
• Have the fireplace floor and chimney professionally cleaned to
remove ashes, soot, creosote or other obstructions.
Have this cleaning performed annually after installation.
• Seal any fresh air vents or ash clean-out doors located on floor
or wall of fireplace. If not, drafting may cause pilot outage or
sooting. Use a heat-resistant sealant. Do not seal chimney flue
damper.
Install and operate the appliance as directed in this manual.
FOR FACTORY BUILT FIREPLACES
FREE OPENING AREA OF CHIMNEY DAMPER FOR VENTING
COMBUSTION PRODUCTS FROM DECORATIVE APPLIANCES
FOR INSTALLATION IN SOLID FUEL BURNING FIREPLACES
Appliance Input Rate (BTU/hr)
20
Chimney
Minimum Opening** (sq. in.)
Height* (ft)
10
11.3
15
8.6
20
7.5
25
6.6
30
6.2
35
5.7
40
5.3
*
Height is from hearth to top of chimney and the minimum
height is 10 feet.
** Chart shows minimum opening (sq. in.) for given height and
input rate.
30726-4-0714
COMBUSTIBLE MATERIAL
Figure 7
FIREPLACE PREPARATION
30
40
16.6
22.1
12.6
17.3
10.8
14.5
9.6
12.6
9.1
11.3
8.0
10.8
7.5
10.2
No greeting card, stockings or ornamentation of any type should be
placed on or attached to the fireplace. This is a heating appliance.
The flow of heat can ignite combustibles.
FOR MASONRY BUILT FIREPLACES
FREE OPENING AREA OF CHIMNEY DAMPER FOR VENTING
COMBUSTION PRODUCTS FROM DECORATIVE APPLIANCES
FOR INSTALLATION IN SOLID FUEL BURNING FIREPLACES
Appliance Input Rate (BTU/hr)
20
Chimney
Minimum Opening** (sq. in.)
Height* (ft)
6
17.6
8
16.5
10
15.1
15
14.1
20
12.9
30
12.2
*
Height is from hearth to top of chimney and the minimum height
is 6 feet.
**
Chart shows minimum opening (sq. in.) for given height and
input rate.
Figure 8
30
40
25.7
33.8
23.7
31.2
21.7
28.7
19.9
26.1
18.5
23.7
16.9
21.6
Page 11
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