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340159
Specification Revised 10/11
Listed by
Underwriters
Laboratories
JNM1951DR
GE Spacemaker
®
Over-the-Range Microwave Oven
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)
Filler Panel Kit JX52
When replacing a 36" or 42"
range hood, this kit fills in the
additional width to provide a
custom built-in appearance.
For installation between
cabinets only; not for end-of-
cabinet installation. Each kit
contains two 3"-wide filler panels.
Filter KitsJX81H–
Recirculating Charcoal
Filter Kit To be used
when the Spacemaker
microwave oven
cannot be vented to
the outside.
