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The Goodman B4022700 is a genuine OEM 3-inch in-shot burner engineered for the Amana/Goodman AMVC80805CXAA 80% AFUE two-stage variable-speed gas furnace. Each in-shot burner delivers a stable, correctly shaped flame into the heat exchanger for clean, efficient combustion. Worn, corroded, or clogged burners cause rough ignition, delayed light-off, and sooting — replacing them with the exact OEM part restores factory performance and safety.
The genuine Goodman B4022700 matches the original barrel length, port geometry, and mounting slot so flame position and combustion tuning stay within spec. Generic burners often vary in barrel diameter or flame-crossover alignment, which can cause noisy ignition, flame roll-out, or nuisance limit trips. For a combustion component, OEM is the safe choice.
Requires shutting off gas and power, removing the burner assembly/manifold, and swapping burners individually — plan 30–45 minutes. Verify flame appearance and check for leaks after service. Gas appliance repairs should be completed by a qualified HVAC technician.