Model IGX Make-Up Air
9
®
Venting Connection Location - Mixed Flow
Installation
Indoor Unit Mounting
Exhaust Air Outlet
Combustion Air Intake
C
D
A
B
Airflow
Housing
Furnace
Size
(MBH)
A
B
C
D
Flue Connection
Size (diameter in
inches)
Concentric kit Connection Size
From Furnace to
Kit
Kit to Outdoors
Exhaust
Intake
Exhaust
Intake
Exhaust
Intake
12
100
4.45
8.45
14.92
19.39
4
4
4
4
4
6
150
4.45
8.45
17.93
22.40
4
4
4
4
4
6
200
5.64
9.64
23.97
30.9
6
6
6
6
6
8
250
5.64
9.64
23.97
30.9
6
6
6
6
6
8
22
150
4.45
8.45
31.08
25.55
4
4
4
4
4
6
200
5.67
9.67
20.21
27.14
6
6
6
6
6
8
250
5.67
9.67
24.97
31.9
6
6
6
6
6
8
300
5.67
9.67
24.97
31.9
6
6
6
6
6
8
350
5.67
9.67
19.01
25.94
6
6
6
6
6
8
400
5.67
9.67
19.01
25.94
6
6
6
6
6
8
500
5.67
9.67
24.97
31.9
6
6
6
6
6
8
600
5.67
9.67
24.97
31.9
6
6
6
6
6
8
32
250
5.67
9.67
28.32
35.64
6
6
6
6
6
8
300
5.67
9.67
28.32
35.64
6
6
6
6
6
8
500
5.96
9.71
28.31
35.24
6
6
6
6
6
8
500
5.96
9.71
28.31
35.24
6
6
6
6
6
8
500
5.96
9.71
28.31
35.24
6
6
6
6
6
8
600
5.96
9.71
28.31
35.24
6
6
6
6
6
8
1050
5.96
9.71
28.31
35.24
6
6
6
6
6
8
1050
5.96
9.71
28.31
35.24
6
6
6
6
6
8
1050
5.96
9.71
28.31
35.24
6
6
6
6
6
8
1200
5.96
9.71
28.31
35.24
6
6
6
6
6
8
All measurements are shown in inches.
