Where can I find a vent/exhaust diagram for a GMNT129-5 Goodman LP furnace

donthebaptist Posts: 1, Reputation: 1

New Member

Nov 26, 2010, 12:17 PM

Where can I find a vent/exhaust diagram for a GMNT129-5 Goodman LP furnace

I bought a used furnace. Need to know the exahust and venting diagram for the GMNT120-5 model

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