GE JVM1665 Installation Instructions Manual page 4

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