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8
Style 1 - Cut Openings for 3
1
/
4
" x 10"
(8.3 cm x 25.4 cm) Rectangular Vent System
Roof Venting
To make a 4
1
/
4
" x 10
1
/
2
" (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 4
3
/
4
" (12.1 cm) from the
back wall on the centerline of the underside of cabinet.
2. Mark lines 5
1
/
4
” (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 through 3 for the underside
of the top of the cabinet.
Wall Venting
To make a 3
1
/
2
" x 10
1
/
2
" (8.9 cm x 26.7 cm) rectangle
in the wall:
1. Make 2 lines by measuring
3
/
8
" (9.5 mm) and
3
7
/
8
" (9.8 cm) down from underside of cabinet
and mark on the centerline on the back wall.
2. Mark lines 5
1
/
4
" (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 3
1
/
4
" x 10" (8.3 x 25.4 cm)
Rectangular Vent to Round Vent Transition
Roof Venting
To make a 4
1
/
4
" x 10
1
/
2
" (10.8 cm x 26.7 cm) rectangular
cutout on the underside of cabinet bottom:
1. Mark lines
1
/
2
" (1.3 cm) and 4
3
/
4
" (12.1 cm) from the
back wall on the centerline of the underside of cabinet.
2. Mark lines 5
1
/
4
" (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
1
/
4
" (6.4 mm) larger than the vent.
4. Use saber or keyhole saw to cut the circular vent opening.
Install Vent System
1. Install vent through the vent opening in upper cabinet or
wall. Complete venting system according to the selected
venting method. See “Venting Requirements” section.
2. Use caulking to seal exterior wall or roof opening
around the cap.
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)
³⁄₈"
3⁷⁄₈"
Cabinet
front
(1.0 cm)
(9.8 cm)
5¹⁄₄"
(13.3 cm)
Centerline
5¹⁄₄"
(13.3 cm)
5¹/₄"
(13.3 cm)
5¹/₄"
(13.3 cm)
*4³⁄₄"
(12.1 cm)
*From wall, not cabinet frame
*¹⁄₂" (1.3 cm)
Circular vent opening
Cabinet
cutouts
*From wall, not
cabinet frame
*5"
(12.7 cm)
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