GE Profile Harmony DPGT750ECPL Owner's Manual And Installation Instructions page 31

DUCTING COMPONENT EQUIVALENCY CHART
DUCT PIECES
Less Than 4 Ft.
4"
(10.2 cm)
2.5"
(6.35
cm)
TOTAL MUST BE LESS THAN OR EQUAL TO 150 FT.
Installation Instructions
EQUIVALENT
Rigid Metal
Ducting
(Preferred)
UL-Listed
Semi-Rigid
Metal Ducting
(inside diameter
does not change)
Elbows (90°/45°)
Turns less
Than 4 Ft.
Rigid Metal
Ducting
4" Wall Cap
Louvered Wall
Cap
2.5" Wall Cap
RIGID NUMBER
LENGTH X
1 Ft. X
3 Ft. X
10 Ft. X
2 Ft. X
1 Ft. X
5 Ft. X
10 Ft. X
23 Ft. X
Total Ductwork Length
31
EQUIVALENT
USED = LENGTH
( ) =
( ) =
( ) =
( ) =
( ) =
( ) =
( ) =
( ) =
=
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.