Reference - Model IG Venting Connection Location
Exhaust Outlet
Combustion Air Inlet
F
E
D
A
B
C
Discharge End
Venting Location Dimensions
IG | A | B | C | D | E | G | |
Housing | |||||||
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10 | 3.89 | 5.12 | 9.12 | 11.59 | 23.11 | 27.58 | |
20 | 3.91 | 3.89 | 7.89 | 11.62 | 25.34 | 32.27 | |
30 | 3.91 | 3.89 | 7.89 | 11.62 | 25.34 | 32.27 |
Dimensions are in inches.
Dimensions B and E are not needed for standard venting. A round adapter should be used for the exhaust connection.
Flue Connection Size (diameter in inches)
IG | Standard | Concentric | |||
Housing | Exhaust | Exhaust | Intake | Exhaust | Intake |
10 | 4.0 | 4.0 | 4.0 | 4.0 | 6.0 |
20 | 6.0 | 6.0 | 6.0 | 6.0 | 8.0 |
30 | 6.0 | 6.0 | 6.0 | 6.0 | 8.0 |
Reference - Model IGX Venting Connection Location
Airflow
Exhaust Air Outlet
Combustion Air Intake
D
C
A
B
IGX | Furnace Size |
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| Flue Connection Size (diameter in inches) |
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A | B | C | D | Standard |
| Concentric |
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Housing | (MBH) |
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| Exhaust |
| Exhaust | Intake | Exhaust |
| Intake |
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| 100 | 4.45 | 8.45 | 23.43 | 27.90 | 4.0 |
| 4.0 | 4.0 | 4.0 |
| 6.0 |
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12 | 150 | 4.45 | 8.45 | 23.43 | 27.90 | 4.0 |
| 4.0 | 4.0 | 4.0 |
| 6.0 |
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200 | 5.64 | 9.64 | 23.97 | 30.90 | 6.0 |
| 6.0 | 6.0 | 6.0 |
| 8.0 |
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| 250 | 5.64 | 9.64 | 23.97 | 30.90 | 6.0 |
| 6.0 | 6.0 | 6.0 |
| 8.0 |
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| 150 | 4.45 | 8.45 | 29.38 | 33.85 | 4.0 |
| 4.0 | 4.0 | 4.0 |
| 6.0 |
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| 200 | 5.67 | 9.67 | 24.97 | 31.90 | 6.0 |
| 6.0 | 6.0 | 6.0 |
| 8.0 |
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| 250 | 5.67 | 9.67 | 24.97 | 31.90 | 6.0 |
| 6.0 | 6.0 | 6.0 |
| 8.0 |
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22 | 300 | 5.67 | 9.67 | 24.97 | 31.90 | 6.0 |
| 6.0 | 6.0 | 6.0 |
| 8.0 |
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350 | 5.67 | 9.67 | 19.01 | 25.94 | 6.0 |
| 6.0 | 6.0 | 6.0 |
| 8.0 |
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| 400 | 5.67 | 9.67 | 19.01 | 25.94 | 6.0 |
| 6.0 | 6.0 | 6.0 |
| 8.0 |
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| 500 | 5.67 | 9.67 | 24.97 | 31.90 | 6.0 |
| 6.0 | 6.0 | 6.0 |
| 8.0 |
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| 600 | 5.67 | 9.67 | 24.97 | 31.90 | 6.0 |
| 6.0 | 6.0 | 6.0 |
| 8.0 |
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| 350 | 5.96 | 9.71 | 28.31 | 35.24 | 6.0 |
| 6.0 | 6.0 | 6.0 |
| 8.0 |
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| 400 | 5.96 | 9.71 | 28.31 | 35.24 | 6.0 |
| 6.0 | 6.0 | 6.0 |
| 8.0 |
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| 500 | 5.96 | 9.71 | 28.31 | 35.24 | 6.0 |
| 6.0 | 6.0 | 6.0 |
| 8.0 |
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32 | 600 | 5.96 | 9.71 | 28.31 | 35.24 | 6.0 |
| 6.0 | 6.0 | 6.0 |
| 8.0 |
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700 | 5.96 | 9.71 | 28.31 | 35.24 | 6.0 |
| 6.0 | 6.0 | 6.0 |
| 8.0 |
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| 800 | 5.96 | 9.71 | 28.31 | 35.24 | 6.0 |
| 6.0 | 6.0 | 6.0 |
| 8.0 |
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| 1050 | 5.96 | 9.71 | 28.31 | 35.24 | 6.0 |
| 6.0 | 6.0 | 6.0 |
| 8.0 |
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| 1200 | 5.96 | 9.71 | 28.31 | 35.24 | 6.0 |
| 6.0 | 6.0 | 6.0 |
| 8.0 |
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Dimensions are in inches. Dimensions A and C are not needed for standard venting. |
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62 | Model IG / IGX |
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