Reference - Venting Connection Locations
200-300MBH
COMPRESSOR / CONTROL CENTER
IG FURNACE
ACCESS
B
A
C
D
COMPRESSOR
ACCESS
COMBUSTION AIR INLET
EXHAUST OUTLET
B
A
C
Furnace Size
Model
(MBH)
100
150
VX-112/
200
VXE-112
250
300
300
VX-212/
400
VXE-212
500
ACCESS
COMBUSTION AIR INLET
EXHAUST OUTLET
500MBH
CONTROL CENTER
ACCESS
IG FURNACE
ACCESS
D
IG Venting Location
A
B
14
23.5
15.2
23.7
14.8
23.3
14.9
23.6
VXE-112
COMBUSTION AIR INLET
EXHAUST OUTLET
B
A
VXE-212
COMPRESSOR
ACCESS
IG FURNACE
ACCESS
B
A
C
D
C
D
20.5
20.5
31.5
35.9
38.1
44.1
25.2
57.1
100-150MBH
COMPRESSOR / CONTROL CENTER
ACCESS
IG FURNACE
ACCESS
C
D
300-400MBH
CONTROL CENTER
ACCESS
COMBUSTION AIR INLET
EXHAUST OUTLET
Flue Connection Size (diameter in inches)
Standard
2-Pipe/Concentric
Exhaust
Exhaust
4
4
4
4
6
6
6
6
6
6
6
6
6
6
6
6
Dedicated Outdoor Air Unit
Intake
4
4
6
6
6
6
6
6
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