Remove all packing material, unplug
1 1
and remove blower from fan housing.
Attach damper/duct connector to
1 4
fan housing.
Push connector
through opening
from inside of
housing.
Engage tabs
and secure with
TABS
screw from
parts bag.
Connect 4-in. round duct
1 6
or flex ducting.
ALL INSTALLATIONS
NEW INSTALLATION
1 5
Make sure bottom of housing
will be flush with finished
ceiling.
For proper location using 1/2"
ceiling material: Bend out
housing tabs (on outside of
housing) to fit against bottom
of joist.
Secure housing through
mounting ears with appropriate
fasteners. If mounting housing
to I-joist, use wood blocking as
shown.
Connect
A 4 to 6-inch
ducting to duct
duct expander
connector.
can be
Tape ducting
purchased
using aluminum
separately
foil tape.
at your local
homecenter/
hardware store.
Remove wiring panel
1 2
from fan housing (if
already installed).
Mount housing to ceiling structure.
2
A pair of flanges
1 3
may be attached to
housing if desired
or required.
Snap both flange pieces
under rolled-over edge of
housing (all four sides).
Sold separately
Model # SFFKT
For Retrofit Installation -
Skip to Page 3.
WOOD
BLOCKING
HOUSING TABS
I-JOIST