138
DUcT PiEcE
SiZE OF DUcT
PiEcE (in.)
EQUivALEnT
LEngTh (FT.)
Smooth
Straight
6
1.2
7
0.95
8
0.7
10
0.6
3
1
/
4
" x 10"
Straight
N/A
1
3
1
/
4
" x 14"
Straight
N/A
0.7
90° Elbow
Round
6
12
7
8
8
6
45° Elbow
Round
6
5
7
4
8
3
3
1
/
4
" x 10"
90° Elbow
Round
N/A
5
3
1
/
4
" x 10"
45° Elbow
Round
N/A
15
3
1
/
4
" x 10"
Flat Elbow
N/A
20
Round to
3
1
/
4
" x 10"
6
1
7
1
3
1
/
4
" x 10"
to Round
6
5
7
3
Round to
3
1
/
4
" x 10"
90° Elbow
6
10
7
8
DUcT PiEcE
SiZE OF DUcT
PiEcE (in.)
EQUivALEnT
LEngTh (FT.)
3
1
/
4
" x 10"
to Round
90° Elbow
6
10
7
5
3
1
/
4
" x 10"
Center Reverse
Elbow Left
N/A
15
3
1
/
4
" x 10"
Center Reverse
Elbow Right
N/A
25
3
1
/
4
" x 10" Left
Reverse Elbow
N/A
15
3
1
/
4
" x 10"
Right Reverse
Elbow
N/A
25
Round
Wall Cap
6
2
7
2
8
2
10
2
Round
Roof Cap
6
2
7
2
8
2
2' Long
3
1
/
4
" x 10"
Flex
N/A
20
3
1
/
4
" x 10"
to Round
10
1
7" Inline
Backdraft
Damper
7
3
1
/
4
" x 10"
Roof Jack
and Shutter
N/A
nOTE:
These commonly used installation parts can be purchased
at a local hardware store. Thermador does not manufacture all
these parts.
EQUivALEnT DUcT LEngThS FOR cOMMOnLY
USED TRAnSiTiOnS
