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The Goodman B4022700 3" In-Shot Burner is a genuine OEM burner for Goodman and Amana gas furnaces, including the AMEH801005CNAB. In-shot burners deliver the gas/air mixture into the heat-exchanger tubes for clean, efficient ignition. Replacing a rusted, clogged, or misfiring burner restores a crisp blue flame and reliable heat output across the burner rack.
Burner orifice and venturi geometry directly control flame shape and CO output. Generic burners can produce lifting, yellow-tipping, or sooting flames. This OEM burner is machined to the factory profile for safe, in-spec combustion.
Moderate — 3 of 5. Requires removing the burner assembly, aligning the burner over its orifice, and verifying flame carry-over. Shut off gas and power; have a technician confirm proper ignition after install.