Filter
Top Products
10
A05088
Fig. 30 -- Replace Furnace Door
A06192
Fig. 31 -- Replace Side Filter Cabinet Door
5. If washable filter, wash filter (if dirty) in sink, bathtub, or
outside with 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 f ilter.
7. Reinstall filter retainer (for blower compartment locations
only).
8. Replace blower access panel and main f urnace 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
supplied. Use the filter t ables and compare yourfurnace size with
the proper filter size.
A06193
Fig. 32 -- Replace Bottom Filter Cabinet Door
FURNACE AIR FILTER TABLE
AIR FILTER LOCATED INBLOWER COMPARTMENT
FURNACE
CASING
WIDTH
IN (mm)
FILTER SIZE --- IN(mm)
FILTER
TYPE
Side Return†* BottomReturn*
17–1/2
(445)
(1) 16X 25X 3/4
(406X 635X19)
(1) 16X 25X 3/4
(406X 635X19)
Washable
21(533)
(1) 16X 25X 3/4
(406X 635X19)
1)20 X25X 3/4
(508X 635X19)
Washable
24–1/2
(622)
(1or 2)16 X25X
3/4
(406X 635X19)
(1) 24X 25X 3/4
(610X 635X19)
Washable
AIRFILTERLOCATEDINFILTERCABINET
FILTER CABINET
HEIGHT --- IN(mm)
FILTER
SIZE --- IN(mm)
FILTER
TYPE
16 (406)
(1) 16 x25 x 3/4*
(406X 635X19)
Washable
20 (508)
(1) 20 x25 x 3/4*
(508X 635X19)
or
(1) 20 x 25 x 4---5/16
(508X 635X110)
Washable
24 (610)
(1) 24 x25 x 3/4*
(610X 635X19)
or
(1) 24 x 25 x 4---5/16
(610X 635X110)
Washable
*Factory---provided wi th the furnace. Filters may be field modified by
cutting filter material andsupportrods (3) in filters.
{ Upflow only. Alternate sizes and additional filters may be ordered from
your dealer.
PERSONAL INJURY HAZARD
Failure to follow this warning could result in personal
injury.
Use care when c utting support rods in filters to protect
against flying pieces and sharp rod ends. Wear safety
glasses, gloves, and appropriate protective clothing.
!
WARNING
COMBUSTION AREA AND VENT
SYSTEM
V isually inspect the combustion area a nd vent system before each
heating season. Make sure that all PVC pipes leading into the
combustion area and vent are free from any cracks and sags.