JV376VWW - GE High Performance Range Hood
GE Appliances
Specification Revised 4/00
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Ductwork Requirements
Use 3-1/4” x 10” or 7” round ducting for the best performance.
The length of ductwork and number of elbows should be kept
to a minimum for efficient operation.
Use caulking to seal exterior openings around the hood.
Static Pressure vs Duct Length
Equivalent Duct Length (ft.)
Static
Rect.
Pressure
CFM
3-1/4” x 10”
7” dia.
8” dia.
9” dia.
.06
4
10
19
34
.10
410
7
17
31
56
.15
400
11
25
47
83
.20
370
15
33
62
111
.25
345
18
42
78
90° elbow
5
11
12
14
45° elbow
2-1/2
5-1/2
6
7
10
Equivalent length in feet
Air volume in CFM
20
30
40
50
0
0
100
200
300
400
500
7" RND
3-1/4" x 10"
3-1/4" x 10" Transition to 7" Round = 2 ft.
7" Round elbow = 8 ft.
7" Roof cap = 70 ft.
Ducting Chart
Venting
This hood must be vented vertically through upper cabinets or horizontally
through an outside wall. Ductwork is not included.
Improper duct sizing or restrictive roof caps reduce air moving capacity
and will not provide enough ventilation for an indoor electric grill.
Indoor electric grills produce more smoke than normal cooking and require
at least 410 CFM to provide adequate ventilation.
Follow the guidelines for proper duct sizing in the duct charts.
NOTE
: The
venting system must exhaust to the outside.
