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W415-1101 / B / 07.29.13
9
EN
3.3 DAMPER STOP INSTALLATION
The damper must be permanently locked in
position to prevent full closure and to provide a
minimum fl ue opening. Various methods for locking
the damper may be used but may be restricted
from region to region and it is important to know
the specifi cs that apply to your area. For your
convenience a damper stop is provided with the
appliance and may be used where not prohibited by
state or local codes.
Use the 3” (72.6mm) adjustable bolt to adjust
the damper to the correct opening, based on the
enclosed chart.
Should the damper stop not fi t, or provide the required permanent opening from the Minimum Damper
Opening table, have the damper cut to provide a minimum permanent opening or install an alternate stop.
Creosote, ashes and loose paint must be cleaned from the chimney fl ue and fi rebox by a qualifi ed chimney
cleaner, before installing in a solid fuel burning appliance. Any outside air ducts and/or ash dumps in the
fi replace shall be permanently closed at time of appliance installation.
If the damper stop (supplied) is not applicable the damper may be fi xed open by the following method:
• Drill a hole in either end of the damper.
• Using a bolt of suffi cient length and adjustment, with 2 nuts, secure to damper through the hole.
• Adjust to correct opening.
*CHIMNEY HEIGHT
MINIMUM DAMPER OPENING
GL22 GL28 GL32
6’ (1.8m) 56.6” (1439mm) 64” (6125.6mm) 71.4” (1813.5mm)
8’ (2.4m) 52.4” (1331mm) 59.7” (1516.8mm) 66.9” (1699.2mm)
10’ (3m) 48.2” (1224.2mm) 54.3” (1379.2mm) 60.2” (1529mm)
15’ (4.6m) 43.2” (1097.2mm) 48.8” (1239.5mm) 54.1” (1374.1mm)
20’ (6m) 39.8” (1011mm) 44.4”(1127.7mm) 49.1 (1247.1mm)
30’ (9.1m) 35.9” (911.8mm) 40.3” (1023.6mm) 44.5 (1130.3mm)
DAMPER
STOP
DAMPER
DAMPER STOP
DAMPER
* Height is measured from the hearth to the top of the chimney.
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