User Manual

supplied. Use the filter tables and compare your furnace size with
the proper filter size,
Fig. 30 - Replace Furnace Door
Fig. 31 - Replace Side Filter Cabinet Door
5, If washable filter, wash filter (if dirty) in sink, bathtub, or
outside w'ith a garden hose. Always use cold tap ■water. A
mild liquid detergent may be used if necessary. Spray water
through filter in the opposite direction of airflow. Allow
filter to dry.
6, Reinstall clean air filter.
7, Reinstall filter retainer (for blower compartment locations
only).
8, Replace blower access panel and main furnace door (Fig, 29
and 30.) or filter cabinet door. (Fig. 31 and 32.)
9, Turn on electrical supply to furnace.
If your furnace air filter needs to be replaced, be sure to use a
factory-authorized filter of the same size that was originally
FURNACE AIR FILTER TABLE
AIR FILTER LOCATED IN BLOWER COMPARTMENT
FURNACE
CASING
WIDTH
(IN.)
FILTER SIZE (IN)
FILTER
TYPE
Side
Retumf*
Bottom
Return*
17-1/2 (1) 16 X 25 X 1 (1) 16 X 25 X 1 Cieanable
21 (1) 16 X 25 X 1 (1) 20 X 25 X 1 Cieanable
24-1/2 (1 or 2) 16 X 25 X 1 (1) 24 X 25 X 1 Cieanable
AIR FILTER LOCATED IN FILTER CABINET
FILTER CABINET
HEIGHT (IN)
FILTER
SIZE (IN)
FILTER
TYPE
16 (1) 16 X 25 X 1*
Cleanable or
Disposable
20
(1) 20X25 X 1*
or (1) 20 X 25 X
4-5/16
Cieanable or
Disposable
24
(1) 24x25x 1*
or (1) 24 X 25 X
4-5/16
Cieanable or
Disposable
'Factory—provided with the furnace. Filters may be field modified fay
cutting filter material and support rods (3) in filters,
t Upflow only. Alternate sizes and additional filters may be ordered from
your dealer.
^ WARNING
PERSONAL INJURY HAZARD
Failure to follow this warning could result in personal
injury.
Use care when cutting support rods in filters to protect
against flying pieces and sharp rod ends. Wear safety
glasses, gloves, and appropriate protective clothing.
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