Specification

4
Size for Venting Duct
Follow the guidelines presented in this manual.
Ventilation methods:
You might be having a 6
7
/
8
inches (in certain models or 7
5
/
8
inches) duct size for your Thor Kitchen Range
Hood. Recommended duct size for your range hood will be:
Model Number
Duct Size
Recommended Size for Duct Pipe
01, 02, 04, 06, 06-BS series
6
7
/
8
inches
7”-8”
05 series
7
5
/
8
inches
8”-9”
***Any Reduction of duct pipe size will affect the performance of the range hood and cause potential
noise issue.
More information for maximum Duct Length:
For satisfactory air movement, the total duct length should not exceed 100 equivalent feet.
Duct Pieces
Description
Equivalent
Number
(Ft.)
Duct Pieces
Description
Equivalent
Number
(Ft.)
7” Round
straight
1
6-8” Round wall
cap with damper
30
8” Round
straight
1
6”-8” Round roof
cap
30
6” Round 90°
elbow
15
7” or 8” Round, 90°
elbow
15
6” Round 45°
elbow
9
7” or 8” Round, 45°
elbow
9
7” or 8” Round
roof cap
30
7” or 8” Round
Wall cap with
damper
30