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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 VENT-
ING COMBUSTION PRODUCTS FROM DECORATIVE AP-
PLIANCES FOR INSTALLATION IN SOLID FUEL BURNING
FIREPLACES
Appliance Input Rate (BTU/hr)
20
Chimney
Height*
Minimum Opening** (sq. in.)
(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.
14008-0-0403
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 VENT-
ING COMBUSTION PRODUCTS FROM DECORATIVE
APPPLIANCES FOR INSTALLATION IN SOLID FUEL BURN-
ING FIREPLACES
Appliance Input Rate (BTU/hr)
20
Chimney
Height*
Minimum Opening** (sq. in.)
(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 9
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