8
Style 1 - Cut Openings for 3¼" x 10" (8.3 cm x 25.4 cm)
Rectangular Vent System
Roof Venting
To make a 3½" x 10½" (8.9 cm x 26.7 cm) rectangular cutout
on the underside of cabinet top and bottom:
1. Mark lines ¼" (0.6 cm) and 3¾" (9.5 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
" (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 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 3½" x 10½" (8.9 cm x 26.7 cm) rectangular cutout
on the underside of cabinet bottom:
1. Mark lines ¼" (0.6 cm) and 3¾" (9.5 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.
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.
5
¹
/
₄
"
(13.3 cm)
5
¹
/
₄
"
(13.3 cm)
*3
³
/
₄
"
(9.5 cm)
*From wall, not cabinet frame
Cabinet cutouts
*
¹
/
₄
" (0.6 cm)
³⁄₈
"
3 ⁷⁄₈
"
Cabinet
front
5
¹⁄₄
"
(9.5 mm)
(9.8 cm)
(13.3 cm)
Centerline
5
¹
/
₄
"
(13.3 cm)
5
¹
/
₄
"
(13.3 cm)
*3
³
/
₄
"
(9.5 cm)
*From wall, not cabinet frame
*
¹
/
₄
" (0.6 cm)
Circular vent opening
Cabinet
cutouts
*From wall, not
cabinet frame
*5"
(12.7 cm)
