8
17
5
⁄
16
"
24
1
⁄
2
"
27
9
⁄
16
"
TYP
27
5
⁄
8
"
29
11
⁄
16
"
TYP
30
13
⁄
16
"
32
5
⁄
8
"
TYP
33
1
⁄
4
"
TYP
CONDENSATE
DRAIN TRAP
LOCATION
(ALTERNATE
UPFLOW)
7
⁄8-IN. DIA
ACCESSORY
POWER ENTRY
7
⁄8-IN. DIA
POWER CONN
CONDENSATE DRAIN
TRAP LOCATION
(DOWNFLOW &
HORIZONTAL LEFT)
26
15
⁄
16
"
24
1
⁄
2
"
22
5
⁄
16
"
2
-IN. COMBUSTION-
AIR CONN
1
⁄
2
-IN. DIA
GAS CONN
2
-IN. VENT CONN
1
⁄2-IN. DIA THERMOSTAT
ENTRY
22
11
⁄
16
"
SIDE INLET
23
1
⁄
4
" TYP
SIDE INLET
1
1
⁄
4
"
1" E
INLET
11
⁄
16
"
11
⁄
16
"
D
13
⁄
16
"
13
⁄
16
"
OUTLET
A
AIRFLOW
OUTLET
26
15
⁄
16
"
28
1
⁄
2
"
22
5
⁄
16
"
19"
13
⁄
16
"
5
⁄
8
"
5
⁄
16
"
1"
39
7
⁄
8
"
22
1
⁄
4
" TYP
11
⁄
16
"
7
⁄
16
"
24
3
⁄
16
"
BOTTOM INLET
18
1
⁄
4
"
22
11
⁄
16
"
CONDENSATE DRAIN
TRAP LOCATION
(DOWNFLOW &
HORIZONTAL RIGHT)
OR ALTERNATE
1
⁄
2
-IN. DIA GAS CONN
2-IN. COMBUSTION-
AIR CONN
1
⁄2-IN. DIA
GAS CONN
7
⁄8-IN. DIA
POWER CONN
1
⁄2-IN. DIA
THERMOSTAT ENTRY
2-IN. VENT CONN
DIMPLE LOCATORS
FOR HORIZONTAL
HANGING
14
1
⁄
2
"
TYP
SIDE INLET
9
7
⁄
16
"
TYP
26
15
⁄
16
" TYP
CONDENSATE
DRAIN LOCATION
(UPFLOW)
30
1
⁄
2
"
9
⁄
16
"
TYP
CONDENSATE
DRAIN LOCATION
(UPFLOW)
26
1
⁄
4
"
26
1
⁄
4
"
NOTES: Minimum return-air opening at furnace, based on metal
duct. If flex duct is used, see flex duct manufacturer's
recommendation for equivalent diameters:
1. For 800 CFM 16-in. round or 14-
1
/2 X 12-in. rectangle.
2. For 1200 CFM 20-in. round or 14-
1
/2 X 19-
1
/2 in. rectangle.
3. For 1600 CFM 22-in. round or 14-
1
/2 X 23-
1
/4 in. rectangle.
4. For airflow requirements above 1800 CFM, see Air Delivery
Table in Product Data literature for specific use of single side
inlets. The use of both side inlets, a combination of 1 side and
the bottom, or the bottom only will ensure adequate return-air
openings for airflow requirements above 1800 CFM.
Dimensions
A98568
DIMENSIONS (In.)
UNIT SIZE A D E
040-08
17-1/2 15-7/8 16
040-12
17-1/2 15-7/8 16
060-08
17-1/2 15-7/8 16
060-12
17-1/2 15-7/8 16
060-16
17-1/2 15-7/8 16
080-12
17-1/2 15-7/8 16
080-16
17-1/2 15-7/8 16
080-20
21 19-3/8 19-1/2
100-16
21 19-3/8 19-1/2
100-20
21 19-3/8 19-1/2
120-20
24-1/2 22-7/8 23
140-20 24-1/2 22-7/8 23