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E. Air Shutter Setting
Air shutter settings should be adjusted by a qualified 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
DV3732-B
DV4236-B
Hearth & Home Technologies • DV3732-B, DV3732L-B, DV4236-B Installation Manual • 2496-980 Rev. M • 10/19
NG
Propane
3/16 in.
1/2 in.
1/4 in.
Full Open
51
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