Venting system must terminate
Do Not terminate
the vent system in an
attic or other enclosed
Do Not use 4-inch (10 cm) laundry-type
vent only. Exception:
stab"", in "Venting
metat vent is recommended,
not use plastic
or metat foil vent,
risk of fire and to properly
air, be sure to vent air outside,
Do Not vent exhaust
air into spaces
walls or ceilings or into attics,
make sure there
the wall or
floor for the exhaust
Do Not cut a joist or stud unless
if a joist or stud
must be cut, then a supporting
must be constructed.
Vent materials needed for hstaHation
are not supplied,
Determine which venting method to use.
See "Venting methods," below.
Next, determine the equivalent vent length
using chart on Page 5. The maximum
equivalent vent length is 60 feet (18.3 m).
is set to vent
straight out the back from the cooktop. To
vent down, left or right, see "installation,"
Step 2, Page 6.
is rated at
50 feet (18.3 re) of straight
vent or the
o If vent mength is 10 feet (3 re) or less,
6" (15.2 cm) diameter
round vent may
o if vent length
is more than
(3 m), use 6" (152 cm) diameter
or 3ol/4" x 10" (8.3 x 25.4 cm)
in areas of extreme
cold weather, it may be necessary
provide a short length of nonmetallic
as close to the wall as possible to prevent
along the metal vent.
above 4,500 ft (1372 m),
vent run by 20%.
For the most efficient
pipe fittings can
reduce air flow. (Note: Local codes may
require a heavier-gauge
Flexible metal vent is Not
Do Not exhaust more than one
cooktop into a single vent
The length of vent and number of
elbows should be kept to a minimum
The size of the vent should be uniform.
Use the fewest number of 90 ° elbows.
Do Not install two elbows together.
Make sure there is a minimum
(45.7 cm) of straight vent between
elbows if more than one elbow is used.
too close together
 Do Not use a 5" (12.7 cm) elbow in a
6" (15.2 cm) or 3ol/4" x 10"
(8.3 x 25.4 cm) system.
 Do Not reduce back to 5" (12.7 cm)
system after using 6" (15.2 cm) or
3ol/4" x 10" (8.3 x 25.4 cm) fittings.
 Avoid forming handmade
may restrict airflow.
Use the recommended
vent caps for
if an alternate
or roof cap is used, be certain cap size
is not reduced and that it has a
Use duct tape to seal all joints in the
to seal exterior wall or roof
around the cap.
9=5/8" (24,4 ¢m) = 30" (70.2 sm) m0del
,0 sm) = 30" (01,4 sm) m0del
9=3/4" (24.8 sin)
h01e in rear or
side of cabinet
The cooktop may be vented through the wall or floor. Common venting methods and the
types of materials needed are shown.
Make sure there is proper clearance within the wall or floor for exhaust vent before
3=1/4" x 10"
(0,3 x 25.4 em
inside wall to roof
(0.3 x 25.4 sin}
cabinet toe space