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2
1. This unit is designed for installation in standard double hung windows
with actual opening widths of 22
must open sufficiently to allow a clear vertical opening of 14
bottom of the sash to the window stool.
2. If storm window presents interference, fasten a 2
included) (OUTER SILL) to the inner window sill across the full width of
the sill. The wood strip should be thick enough to raise the height of
the window sill so that the unit can be installed without interference by
the storm window frame (STORM WINDOW FRAME) or wood strip
(OUTDOORS) to help condensation to drain properly to the outside.
3. Install a second wood strip (approximately 6
same thickness as first strip) in the center of the outer sill flush against
the back off the inner sill. This will raise basepan angle .
4. If the distance between STORM WINDOW FRAME and WOOD STRIP
MOUNTED ON TOP OF INNER SILL is more than 1
strip are not necessary.
LOCATING UNIT IN
WINDOW
Open the window and mark center line on the
center of the inner sill.
CENTER LINE
INNER SILL
INDOOR SIDE
to 36 . The upper and lower sash
from the
wide wood strip(not
long by 3/2 wide and
, two of wood
Install the basepan angle behind the inner window sill, with
the short side of basepan angle as shown. Use the 2 short
screws13/32" provided.
The basepan angle helps to hold unit securely in place.
Be sure to place basepan angle edge flush against back
of inner sill.
OUTER SILL
SHORT SIDE
INNER
SILL
I
N
D
O
O
R
S
WOOD STRIP
MOUNTED ON
TOP OF INNER SILL
INNER
WOOD STRIP
SILL
FOR BASEPAN
I
ANGLE
N
D
O
O
R
S
ATTACH BASEPAN
ANGLE
INNER SILL
SHORT SCREW13/32"
8
8
OUTSIDE
BASEPAN ANGLE
English
O
U
T
D
O
O
OUTER
R
SILL
S
1 MAX.
3/4 CLEARANCE
STORM
WINDOW FRAME
O
U
T
OUTER
D
SILL
O
O
R
S
CENTER LINE
INSIDE
17
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