METHOD B: (Inside of Trim)
Tools Required:
Hardware Provided:
Screwdrivers
Four - #8 x 3/4" slotted head screws
NEW 11/17
2084369
3
MODEL W16900
1. Mark screw locations on
inside edges of window trim
using enclosed
template
as
shown in illustration.
2. Drive 4 screws "A" into trim.
DO NOT TIGHTEN FLUSH.
Leave 1/8" (3.2 mm) space
between screw heads and
window trim.
3. Loosen 4 screws "B" and
entend panels on each side
of housing until the fan fits
snugly between right and left
window trim.
4. Mount fan in window by en-
gaging slots "C" with screws
"A" on inside edge of trim.
Lower fan on screws "A"
until it rests on window sill or
sash moulding.
5. Tighten screw "B" on hous-
ing to secure fan in position.
Figure 3
Installation
The large number of window styles and types makes it impossible to describe one universal installation procedure. The methods outlined
below are recommended as being well-suited for most common styles of double-hung windows. Whichever method you choose should
allow the window to be closed easily for security and protection of home furnishings against the weather. Refer to illustrations while fol-
lowing Methods A or B below.
3. With side panel in posi-
tion, mark screw loca-
tions at top of slot "C"
and drive in the 4 wood
screws "A" (provided)
until tight.
4. Tighten 4 screws "B" in
fan housing to complete
installation.
Figure 2
2. Rest fan on window sill with flange on side panels over trim. Push in
side panels tight against outer edge of trim.
Figure 1
1. Loosen screws "B"
and extend side pan-
els to clear the outer
edge of trim on each
side of window.
METHOD A: (Outside of Trim)
Tools Required:
Hardware Provided:
Screwdrivers
Four - #8 x 3/4" slotted head screws
Figure 5
Figure 4
Figure 6
Operation
This Lasko window fan is powered by a durable electrically-reversible 3 speed split capacitor motor. (Hi, Medium, and Low speed settings are available for
both intake and exhaust mode.) The motor control switch is conveniently located on the motor cover. Adjust knob to direction and speed desired.
1/8" (3.2mm)
A
B
B
C
A
Slot
C
B
B
Slot
C
B
B
Slot
B
B
TE
M
P
LA
T
E
A
