United States Stove Company 1800 - Manual (Page 27)

25
INSTALLING BACK DRAFT DAMPER
The back draft damper may be installed in either a vertical or horizontal section of the hot air duct. It should be positioned as close to
the plenum opening of the furnace as practical. Press female end of the back draft damper over Hotblast Furnace collar or male end
of the duct pipe. When properly placed the arrows on the air flow decal should point away from the furnace.
HORIZONTAL
INSTALLATION
NOTE: POSITION SO
THAT AIR FLOW
WILL OPEN DAMPER
IN DIRECTION OF
DUCTWORK.
SEE PRODUCT
LABEL.
NOTE: POSITION SO
THAT AIR FLOW WILL
OPEN DAMPER FROM
BOTTOM.
VERTICAL
INSTALLATION
MEDIUM BACKDRAFT DAMPER KIT #C62145
LARGE BACKDRAFT DAMPER KIT #C62299