GE CVM1790SSSS Installation Instructions Manual page 4

DUCT PIECES
Roof Cap
12 Ft. Straight Duct
(6 Round)
Rectangular-to-Round
Transition Adaptor*
Equivalent lengths of duct pieces are based on actual tests and
reflect requirements for good venting performance with any vent hood.
DUCT PIECES
Wall Cap
3 Ft. Straight Duct
(3 1 ⁄ x 10 Rectangular)
4
90° Elbow
Equivalent lengths of duct pieces are based on actual tests and
reflect requirements for good venting performance with any vent hood.
EQUIVALENT NUMBER
LENGTH x USED
24 Ft. x (1)
12 Ft. x (1)
5 Ft. x (1)
Total Length
EQUIVALENT
LENGTH* x
40 Ft. x
3 Ft. x
10 Ft. x
EQUIVALENT
= LENGTH
= 24 Ft.
= 12 Ft.
= 5 Ft.
= 41 Ft.
NUMBER EQUIVALENT
USED = LENGTH
(1) = 40 Ft.
(1) = 3 Ft.
(2) = 20 Ft.
Total Length = 63 Ft