Owner's Manual

7
FIGURE 9
FILTER LOCATIONS
I528
HO
R
IZONT
A
L
I413
DOWNFLOW
AIRFLOW
HORIZONTAL
TABLE 2
FILTER SIZES
DOWNFLOW/HORIZONTAL FILTER SIZES
FURNACE INPUT
QUANTITY
WIDTH MBTUH
SIZE
17
1
/2" 60, 75A 12" X 20" 2
21" 75B, 90, 105 12" X 20" 2
24
1
/2" 120 14" X 20" 2