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TM

JVM3670BF/CF/SF/WF – GE Profile

36" Spacemaker

®

1.8 Cu. Ft. Over-the-Range Microwave Oven

Optional Accessories (Available at additional cost)

Filter Kits
JX81B–Recirculating
Charcoal Filter Kit
To be used when 
the Spacemaker
microwave oven 
cannot be vented 
to the outside.

R

Listed by
Underwriters
Laboratories

HOOD EXHAUST DUCT: 

Outside ventilation requires a HOOD EXHAUST DUCT. Read the 

following carefully.

EXHAUST CONNECTION:

The hood exhaust has been designed to mate with a standard 

3-1/4” x 10” rectangular duct.If a round duct is required, a rectangular-to-round transition adaptor
must be used. Do not use less than a 6” diameter duct

REAR EXHAUST:

If a rear or horizontal exhaust is to be used, care should be taken to align exhaust

with space between studs,or wall should be prepared at the time it is constructed by leaving enough
space between the wall studs to accommodate exhaust.

MAXIMUM DUCT LENGTH

: For satisfactory air movement, the total  duct length of 3-1/4” x 10” 

rectangular or 6” diameter round duct should not exceed 140 equivalent feet.

ELBOWS, TRANSITIONS,WALL AND ROOF CAPS

, etc., present additional resistance to airflow

and are equivalent to a section of straight duct which is longer than their actual physical size. When
calculating the total duct length, add the equivalent length of all transitions and adaptors plus the
lengths of all straight duct sections. The chart below shows the approximate feet of equivalent
length of some typical ducts.

For answers to your Monogram,

® 

GE Profile

or 

GE appliance questions, visit our website at
GEAppliances.com or call 
GE Answer Center

®

service, 800.626.2000.

Duct

Equivalent Feet

A

.

Rectangular-To-round

5 ft.

Transition Adaptor

B

. Wall Cap

40 ft.

C

. 90° Elbow

10 ft.

D

. 45° Elbow

5 ft.

E

. 90° Elbow

25 ft.

F

. 45° Elbow

5 ft.

G

. Roof Cap

24 ft.

Specification Created 7/02

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