Dimensions Guide

JNM3163R J
GE
®
1.6 cu. ft. Over-the-Range Microwave Oven with Recirculating Venting
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™
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Service, 800.626.2000.
Specification Revised 5/18
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 120
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.
DUCT EQUIVALENT FEET
A. Rectangular-To-round
Transition Adaptor
5 ft.
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.
DIMENSIONS AND INSTALLATION INFORMATION (IN INCHES)
OPTIONAL ACCESSORIES (AVAILABLE AT ADDITIONAL COST)
FILTER KIT JX81C–
RECIRCULATING
CHARCOAL FILTER KIT
To be used when the
microwave oven cannot
be vented to the outside.