Venting Requirements
Page 5
Height & Clearance
Vent system must terminate to the outside •
(roof or side wall).
DO NOT terminate the vent system in an at-•
tic or other enclosed area.
DO NOT use 4” (10.2 cm) laundry-type wall •
caps.
Use metal/aluminum vent only. Rigid metal/•
aluminum vent is recommended.
DO NOT use plastic vent.•
Always keep the duct clean to ensure proper •
airow.
Calculate the following gures before instal-•
lation:
Distance from the oor to the ceiling.1.
Distance between the oor to the coun-2.
tertop/stove (recommend* 27” to 30”).
Distance between the countertop/stove 3.
to the range hood.
Height of hood and duct cover.4.
For the most efcient & quiet operation:
A distance of 27” to 30” is recommended* •
between stove top and the bottom of range
hood.
It is recommended that the range hood be •
vented vertically through the roof through 6”
(15.3 cm) or bigger round metal/aluminum
vent work.
The size of the vent should be uniform.•
Use no more than three 90° elbows.•
Make sure there is a minimum of 24” (61 •
cm) of straight vent between the elbows if
more than one elbow is used.
DO NOT install two elbows together.•
The length of vent system and number of •
elbows should be kept to a minimum to pro-
vide efcient performance.
The vent system must have a damper. If •
roof or wall cap has a damper, DO NOT
use damper (if supplied) on top of the range
hood.
Use silver tape or duct tape to seal all joints •
in the vent system.
Use caulking to seal exterior wall or roof •
opening around the cap.
* Due to different ceiling height congurations, rec-
ommended height may not be applicable.
Max: 110”
Upper
Chimney
Range hood
Chimney-
mounting
Bracket
Lower
Chimney
36” base
Maximum ceiling clearance
110” at 30” hood mounting
height above countertop/
stove (may vary with differ-
ent model).
Min:
27”
Max: 30”
Countertop/Stove
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