Duct Length Piece Equivalents - Amana AKGD3060 Series Owner's Manual

Typical 3¼ x 10-inch system
A
2 ft.
D
C
A—90° elbow
B—Wall cap
C—Existing wall or floor
D—Air from cooktop
Two 90° elbows at 5 ft. each
Surface wall cap
8 ft. straight 6-inch pipe
6 ft.
B
10 ft.
0 ft.
8 ft.
18 ft.

Duct Length Piece Equivalents

3¼ x 10 inch ducting pieces
7
3¼ x 10-inch to 6 inch
transition =
5 equivalent foot
3¼ x 10-inch to 6 inch
transition = 4½
equivalent feet
3¼ x 10-inch flat elbow =
12 equivalent feet
3¼ x 10-inch 90° elbow =
5 equivalent feet
3¼ x 10-inch wall cap
(Unrestricted) = 0
equivalent feet