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Ductwork
Gas Downdraft Cooktop
Venting
Options
• The downdraft vent is shipped with the
discharge outlet pointing straight down and
can be changed to the left or right side.
• The blower outlet is sized for 3-1/2" x 10"
and can be transitioned to 6" round.
Side to side adjustments:
The entire blower mounting plate can be
adjusted 3-1/2" to the left or right. This will
help to align vent discharge to house
ductwork.
30° Rotation
For even more flexibility, the entire blower
can be rotated up to 30° towards the left or
30° towards to right.
Discharge direction
The blower assembly may be removed and
turned 90° for a left or right side discharge.
• A left or right 90° direction adjustment
should be performed before dropping into
the countertop opening.
• Flatten the shipping box to use as a pad.
• Lay the vent on its back onto the pad.
To change to a left or right discharge:
• Remove 4 nuts holding the blower to the
mounting plate. See illustration. One nut is
just inside the blower discharge.
• Remove and turn the blower to the right or
left.
• Reinstall the 4 nuts.
To locate the ductwork holes in the cabinet
floor or side walls:
• Temporarily, place vent into the countertop
opening.
• Push the vent all the way to the back of the
opening.
• If you are transitioning to 6" round, place
transition piece over the discharge outlet.
– Mark the location and remove the
assembly.
– Cut holes and install ductwork
connections.
30" Rotation Left or Right
Loosen Screws to
Adjust Blower
Left to Right
Nut Location
Inside the Blower
Discharge
Loosen Screws to Rotate
30° to Left or 30° to Right
Discharge Right
Discharge Left
Discharge Down
(as Supplied)
Order JXRB57 for installation of the blower and motor
below the floor.
Order JXBC57 for installation of the blower and motor
outdoors.