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The Goodman B4022700 3-inch In-Shot Burner is a genuine OEM single burner for the Goodman ADVC80805CXBB gas furnace. In-shot burners deliver a precise gas/air mixture into each heat-exchanger tube, producing a clean, stable flame for efficient heating. Rust, scale, or a distorted burner slot can cause delayed ignition, poor flame carryover, or roll-out — replacing worn burners restores smooth, quiet lighting.
The genuine Goodman OEM burner matches the exact throat diameter, slot geometry, and mounting tab of the ADVC80805CXBB manifold. Generic in-shot burners can seat improperly against the orifice, shifting the flame and hurting efficiency. For consistent flame carryover across all burners, match OEM and replace as a set when possible.
Moderate (3/5). Shut off gas and power, remove the burner assembly/manifold, slide the burner off its mounting slot, and align the new one to the orifice. Verify proper flame appearance and carryover after reassembly. Gas work should be performed by, or verified by, a qualified technician.