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The Goodman B4022700 3-Inch In-Shot Burner is a genuine OEM gas burner engineered for the AMEC800805CXAA furnace. In-shot burners deliver a stable, evenly distributed flame into the heat exchanger tube, promoting efficient combustion, quiet ignition, and consistent heat transfer. Replacing a corroded or cracked burner restores proper flame sensing and reliable startup. This is a direct-fit component sized to the factory manifold spacing.
The OEM burner matches the exact orifice alignment and flame geometry Goodman engineered for this heat exchanger, ensuring correct flame carry-over and sensor rectification. Our Generic equivalent is a cost-saving option for out-of-warranty units; verify manifold spacing before installing.
Difficulty: Moderate. Requires removing the burner assembly, aligning the new burner to the manifold orifice, and confirming proper flame carry-over on restart. Budget 30–60 minutes and always shut off gas and power first. Gas appliance work should be performed by a qualified technician where required by code.