6
INSTALLATION INSTRUCTIONS

Prepare Location

It is recommended that the Makeup Air Kit is installed at t he
same time the range hood is installed.
If the range hood is already installed, you will need to remove
the vent covers and the vent duct system from the range
hood. Consult your hood manual. (See illustrations in the
“Install Makeup Air Switch Duct” section.)
Makeup air switch duct must be assembled to vent duct in
the vertical (upward) position only.

Install Makeup Air Switch Duct

Wall or Island Mount Range Hood Models

6" (15.2 cm) and 8" (20.3 cm) Round Makeup Air Switch Duct
(From kits W10446915 and W10446916)
1. Disconnect power.
2. If range hood is installed, remove the ven t system and its vent
covers and put them aside.
3. Install the makeup air switch duct to the vent transition and
seal connection with vent clamp. The terminal box cover
should be to the front or to either side for wiring access.
4. Install the range hood using the Installation Instructions that
came with range hood.
NOTE: If range hood is already installed, replace the vent
system onto the makeup air switch duct and seal
connections with vent clamps.
10" (25.4 cm) Round Makeup Air Switch Duct (From kit
W10446917)
1. Disconnect power.
2. If range hood is installed, remove the vent system and its vent
covers and put them aside.
3. Install the makeup air switch duct to the vent transition and
seal connection with vent clamp.
NOTE: The terminal box should be oriented to either the right
or left side of the hood for wiring access.
4. Install the range hood using the Installation Instructions that
came with range hood.
NOTE: If range hood is already installed, replace the vent
system onto the makeup air switch duct and seal
connections with vent clamps.
A.Vent covers
B.Vent system
C.Vent transition
A.Terminal box cover
B.Ai rflow
C.Makeup air switch duct
D.Vent transition
A
B
C
A
C
D
B
A.Vent covers
B.Vent system
C.Vent transition
A.Terminal box cover
B.Makeup air switch duct
C.Vent transition
A
B
C
A
B
C