Use & Care Manual

6
DOWNFLOW FILTER SIZES
FURNACE INPUT
WIDTH BTUH (K)
SIZE QTY.
14 50 14 x 20 1
17
1
2 75 & 100 12 x 20 2
21 100 12 x 20 2
24
1
2 125 & 150 14 x 20 2
UPFLOW FILTER SIZES
FURNACE INPUT
SIZE
WIDTH BTUH (K’s) BOTTOM SIDE
QTY.
14 50 12
1
4 x 25 15
3
4 x 25 1
17
1
2 75 & 100 15
3
4 x 25 15
3
4 x 25 1
21 100 19
1
4 x 25 15
3
4 x 25 1
24
1
2 125 & 150 22
3
4 x 25 15
3
4 x 25 1
FIGURE 6
DOWNFLOW FILTERS INSTALLATION
FIGURE 5
U
PFLOW SIDE FILTER INSTALLATION
FIGURE 4
U
PFLOW FILTER LOCATION