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A99109
DIMENSIONS (In.)
UNIT SIZE A D E VENT CONN (Dia) SHIPPING WEIGHT (Lb)
036060 14-3/16 12-9/16 12-11/16 4 145
048080 17-1/2 15-7/8 16 4 154
060100 21 19-3/8 19-1/2 4 181
4
3
⁄
16
″
2″
2
15
⁄
16
″
13
⁄
16
″
11
⁄
16
″
9
1
⁄
8
″
10
1
⁄
4
″
1
1
⁄
16
″
2
1
⁄
8
″
8
1
⁄
4
″
10
1
⁄
4
″
1
1
⁄
16
″
2
1
⁄
8
″
16
1
⁄
16
″
13
5
⁄
16
″
19″
11
⁄
16
″
13
⁄
16
″
11
⁄
16
″
20″
28
1
⁄
2
″
39
7
⁄
8
″
D
5
⁄
8
″ TYP
1
″ TYP
E
A
AIRFLOW
OUTLET
INLET
1
⁄
2
″ DIA
THERMOSTAT
WIRE ENTRY
7
⁄
8
″ DIA
ACCESSORY
7
⁄
8
″ DIA
ACCESSORY
DIMPLES TO DRILL HOLES
FOR HANGER BOLTS (4 PLACES)
IN HORIZONTAL POSITION
ADDITIONAL
7
⁄
8
″ DIA K.O. ARE
LOCATED IN THE TOP PLATE
AND BOTTOM PLATE
NOTE:
7
⁄
8
″ DIA HOLE
POWER ENTRY
1
1
⁄
2
″ DIA
R.H. GAS ENTRY
7
⁄
8
″ DIA
ACCESSORY
1
3
⁄
4
″ DIA HOLE
GAS ENTRY
VENT CONNECTION
1. Two additional
7
⁄8
-
in. dia holes are located in the top plate.
2. Minimum return-air openings at furnace, based on metal duct. If flex duct is used,
see flex duct manufacturer's recommendations for equivalent diameters.
a. For 800 CFM–16-in. round or 14
1
⁄2 x 12-in. rectangle.
b. For 1200 CFM–20-in. round or 14
1
⁄2 x 19
1
⁄2-in. rectangle.
c. For 1600 CFM–22-in. round or 14
1
⁄2 x 23
1
⁄4-in. rectangle.
d. For airflow requirements above 1800 CFM, must use entire return air opening.
NOTES:
ACCESSORY DOWNFLOW SUBBASE
A88207
Disassembled
A88206
Assembled
LOCATING
TAB
LOCATING
TAB
1
2
3
4
4
3
2
1
B
D
C
A
1
1
⁄
4
″ TYP
PLENUM
OPENING
FACTORY-SUPPLIED
FIELD-INSTALLED
INSULATION
MEETS DOE RESIDENTIAL CONSERVATION
SERVICES PROGRAM STANDARDS.
Before purchasing this appliance, read important
energy cost and efficiency information available
from your retailer.
CERTIFIED
DIMENSIONAL DATA (In.)
*
The plenum should be constructed 1/4 in. smaller in width and depth than the plenum dimensions shown above.
FURNACE WIDTH
PLENUM OPENING
*
FRAMED FLOOR HOLE
HOLE NO. FOR
WIDTH ADJUSTMENTABCD
14-3/16 11-13/16 19 13-7/16 20-3/8 4
17-1/2 15-1/8 19 16-3/4 20-3/8 3
21 18-5/8 19 20-1/4 20-3/8 2
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