Air Shutter Setting - Hearth & Home MDV3732 Installation Manual

E. Air Shutter Setting
Air shutter settings should be adjusted by a qualifi 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
MDV3732 3/16 in. 1/2 in.
50 Heatilator • MDV3732 Installation Manual • 2386-980 Rev. D • 11/16