Equivalent Duct Lengths For Commonly Used Transitions - Thermador HMCB36FS Manual

b LO W E R O P T I O N S
INTEGRAL (MOuNTED ON HOOD)
VTN600CV2C - 600 CFM
VTN1080F - 1000 CFM
REMOTE (MOuNTED TO ROOf OR EXTERNAL WALL)
VTR630D - 600 CFM
INLINE (MOuNTED bETWEEN kITCHEN AND EXTERNAL WALL)
VTI610D - 600 CFM
40
VTN600F - 600 CFM VTN630C - 600 CFM
8 3 / "
8
8 1 / "
4
VTN1000F - 1200 CFM VTN1030C - 1000 CFM
8 1 / "
4
25"
VTR1030D - 1000 CFM VTR1330E - 1300 CFM
VTI1010D - 1000 CFM
E q u IVA L E N T D u C T L E N GT HS f O R C O M M O N LY u S E D T R A N S I T I O N S
25"
Note: These commonly used installation parts can be purchased at a local hardware store. Thermador does not manufacture all these parts.
SIZE OF DUCT EQUIVALENT
DUCT PIECE PIECE (IN.) LENGTH (FT.)
6 1.2
7 0.95
Smooth Straight
8 0.7
10 0.6
N/A 1
3 1 / 4 " x 10" Straight
3 1 / " x 14" Straight N/A 0.7
4
6 12
90° Elbow Round 7 8
8 6
6 5
45° Elbow Round
7 4
8 3
3 1 / " x 10"
4
N/A 5
90° Elbow Round
3 1 / " x 10"
4
N/A 15
45° Elbow Round
1 / " x 10"
3 4
N/A 20
Flat Elbow
6 1
Round to
3 1 / " x 10"
4
7 1
6 5
3 1 / 4 " x 10"
to Round
7 3
6 10
Round to
3 1 / 4 " x 10" 90° Elbow
7 8
SIZE OF DUCT EQUIVALENT
DUCT PIECE PIECE (IN.) LENGTH (FT.)
6 10
1
3 / 4 " x 10" to
Round 90° Elbow
7 5
3 1 / " x 10" Center
4
N/A 15
Reverse Elbow Left
3 1 / " x 10" Center
4
N/A 25
Reverse Elbow Right
3 1 / " x 10" Left
4
N/A 15
Reverse Elbow
3 1 / " x 10" Right
4
N/A 25
Reverse Elbow
6 2
7 2
Round Wall Cap
8 2
10 2
6 2
Round Roof Cap 7 2
8 2
2' Long
N/A 20
3 1 / " x 10" Flex
4
3 1 / " x 10"
4
10 1
to Round
7" Inline
7
Backdraft Damper
3 1 / " x 10"
4
N/A
Roof Jack and Shutter
41