INSTALLATION PREPARATION (Cont.)
6. PREPARE FOR DUCTWORK
in a variety of ways depending on the kitchen layout.
IMPORTANT: The downdraft air discharge outlet
accordingly.
Typical duct arrangement countertop series.
Inside wall
cabinet
overhang
system:
transitions and elbows.
2. Maintain a constant duct size.
3. Seal all joints with duct tape to prevent any leaks.
49-2001159 Rev. 0
Installation Instructions
Outside
wall cabinet
Through cabinet toe space
system in accordance with local building code
requirements. Visit GEAppliances.com for available
makeup air solutions.
• Optional duct arrangement under concrete slab.
concrete slab.
NOTE: PVC sewer pipe type PSM 12454-B
Schedule 40 ASTM D1785.
6" (15 cm)
Dia. 90°
Metal Elbow
Wall Cap
6" (15 cm) Dia.
Metal Duct
12"
(30 cm)
Min.
6"
(15 cm)
Dia. PVC
Coupling
6" (15 cm) Dia.
Pack tightly with gravel
PVC Sewer Pipe
or sand completely
Elbow
around pipe
• Install ductwork so the piece of duct nearest the
Secure the joints with self-tapping screws and apply
duct tape around the joints to ensure an airtight seal.
Air
Flow
Screw
3-1/4" x 10" Rectangular
to 6" Round Transition
6" (15 cm)
Dia. Metal
Duct
Concrete
Slab
16"
6" (15 cm)
(40.6 cm)
Dia. PVC
Max.
Sewer Pipe
6"
(15 cm)
Dia.
PVC
Coupling
30'-0" (9.14 m) Max.
6" (15 cm)
Dia. PVC
Sewer
Pipe
6" (15 cm) Dia.
PVC Sewer Pipe
Elbow
Duct Tape
Over Seam and Screw