Greenheck IG / IGX (464104 IOM) (Pre-2009) - Manual (Page 80)

80
Reference - Venting Connection Location
A
B
C
D
E
F
3/4" Gas Connection
Combustion Air Inlet
Exhaust Outlet
Flue Connection Size (Diameter)
IG
A B C D E F Standard Non-Concentric Concentric
Housing
Exhaust Exhaust Intake Exhaust Intake
10 3.89 5.12 9.12 11.59 23.11 27.58 4.0 4.0 4.0 4.0 6.0
20 3.91 3.89 7.89 11.62 25.34 32.27 6.0 6.0 6.0 6.0 8.0
30 3.91 3.89 7.89 11.62 25.34 32.27 6.0 6.0 6.0 6.0 8.0
Model IG
Discharge End
NOTE!
All dimensions are in inches. Dimensions B and E are not needed for standard venting. A round
adapter should be used for the exhaust connection.
Reference