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Hearth & Home Technologies • DV3732, DV3732L, DV4236 Installation Manual • 2355-980 Rev. H • 3/16
E. Air Shutter Setting
Air shutter settings should be adjusted by a quali
fi
ed in-
staller at the time of installation. The air shutter is set at
the factory for minimum vertical vent run. Adjust air shut-
ter for longer vertical runs.
NOTICE:
If sooting occurs, provide more air by opening
the air shutter.
Air Shutter Settings
Models
NG
LP
DV3732
3/16 in.
1/2 in.
DV4236
1/4 in.
Full Open