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To wire through top:
1. Mark a line distance “A” from the right of the centerline on the
underside of the cabinet. Mark the point on this line that is
2" (5.1 cm) from back wall. Drill a 1¼" (3.2 cm) diameter hole
through the cabinet at this point.
To wire through wall:
1. Mark a line distance “A” from the right of the centerline on the
underside of the wall. Mark the point on this line that is ⁷⁄₈"
(2.2 cm) from the underside of the cabinet. Drill a 1¹⁄₄"
(3.2 cm) diameter hole through the rear wall at this point.
Style 1 - Cut Openings for 3¼" x 10" (8.3 cm x 25.4 cm)
Rectangular Vent System
Roof Venting
To make a 4¹⁄₄" x 10½" (10.8 cm x 26.7 cm) rectangular cutout
on the underside of cabinet top and bottom:
1. Mark lines ¹⁄₂" (1.3 cm) and 4³⁄₄" (12.1 cm) from the back wall
on the centerline of the underside of cabinet.
2. Mark lines 5¼" (13.3 cm) to the right and left of the centerline
on the underside of cabinet.
3. Use saber or keyhole saw to cut a rectangular opening for
vent.
4. Repeat steps 1-3 for the underside of the top of the cabinet.
Wall Venting
To make a 3½" x 10½" (8.9 cm x 26.7 cm) rectangle in the
wall:
1. Make 2 lines by measuring ³⁄₈" (0.9 cm) and 3⁷⁄₈" (9.8 cm)
down from underside of cabinet and mark on the centerline
on the back wall.
2. Mark lines 5¼" (13.3 cm) to the right and left of the centerline
on the wall.
3. Use saber or keyhole saw to cut a rectangular opening in the
wall for the vent.
Style 2 - Cut Openings for 3¼" x 10" (8.3 x 25.4 cm)
Rectangular Vent to Round Vent Transition
Roof Venting
To make a 4¹⁄₄" x 10½" (10.8 cm x 26.7 cm) rectangular cutout
on the underside of cabinet bottom:
1. Mark lines ¹⁄₂" (1.3 cm) and 4³⁄₄" (12.1 cm) from the back wall
on the centerline of the underside of cabinet.
2. Mark lines 5¼" (13.3 cm) to the right and left of the centerline
on the underside of cabinet.
3. Use saber or keyhole saw to cut a rectangular opening for
vent.
To make a circular vent opening on the underside of the
cabinet top:
1. Mark a centerline on the underside of the top of cabinet.
2. Mark a line 5" (12.7 cm) from the back wall on the underside
of the top of cabinet.
3. Use a compass or a circle template to draw a circle with a
diameter that is ¼" (0.64 cm) larger than the vent.
A. 8³⁄₈" (21.3 cm)
A. 8³⁄₈" (21.3 cm)
Centerline
2" (5.1 cm)
from wall,
not cabinet
frame
A
A
Centerline
⁷⁄₈" (2.2 cm)
5¹/₄"
(13.3 cm)
5¹/₄"
(13.3 cm)
*4³⁄₄"
(12.1 cm)
*From wall, not cabinet frame
Cabinet cutouts
*¹⁄₂" (1.3 cm)
2¾"
6¾"
Cabinet
front
(7.0 cm)
(17.1 cm)
5¹⁄₄"
(13.3 cm)
Centerline
5¹⁄₄"
(13.3 cm)
5
¹/₄"
(13.3 cm)
5¹/₄"
(13.3 cm)
*4³⁄₄"
(12.1 cm)
*From wall, not cabinet frame
*¹⁄₂" (1.3 cm)