Backwall Duct Location
1. Locate studs in wall.
2. Measure and cut an opening for thimble as illustrated
in figure below. Cutout should be 6
circle.
3. Ducting is completed in Backwall Duct Connection
section.
8"
Floor Duct Location
1. Locate studs in floor.
2. Measure to locate center of floor duct location. See
figure below.
• For installation with counter top or backsplash
behind range, measure 13
"A"
• For installation without counter top or backsplash
behind range, measure 11
"A".
3. Cut an opening for floor transition piece as illustrated
in figure below. Cutout should be 7
square. If opening is not correctly aligned, duct does
not connect properly.
4. Ducting is completed in Floor Duct Connection
section.
7
10
/
"
8
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1
/
inch diameter
8
4-5/16"
1
/
inches for dimension
8
5
/
inches for dimension
8
1
1
/
x 7
/
inches
4
4
A
Duct Length
Maximum allowable duct length is 60 equivalent feet.
• Use Recommended Standard Fittings in figures
below to calculate duct length.
• Flexible duct is not recommended. However, if it is
used, one foot is equal to two feet of smooth metal
duct.
Recommended Standard Fittings
31/4 x 10 Wall Cap without Flap
7