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The Goodman B4022700 3" In-Shot Burner is a genuine OEM gas burner for the Amana/Goodman AMVC801005CXAA 80% AFUE furnace. Each in-shot burner directs the air/gas mixture into a heat-exchanger tube for clean, efficient combustion. Rust, cracks, or a clogged burner port cause delayed ignition, roll-out, yellow flame, or uneven heating — replacing worn burners restores a crisp blue flame and reliable light-off.
Burner geometry, port pattern, and venturi throat are matched to the furnace's manifold pressure and orifice size. The OEM Goodman burner ensures correct flame characteristics and heat-exchanger alignment. Generic burners can alter the flame envelope, risking impingement and CO production. For a combustion component, OEM is strongly recommended. Replace burners as a matched set for even performance.
Moderate (3/5). Remove the burner box, slide the old burner off the manifold, and align the new burner over the orifice and into the heat-exchanger inlet. Budget 30–45 minutes. Verify flame and check for roll-out after reassembly. A licensed technician is recommended for gas-side work.
Shut off gas and power before servicing. Combustion work should be verified by a qualified technician.