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The Goodman B4022700 3-inch In-Shot Burner is a genuine OEM gas burner for Goodman and Amana AMS80604BXAA 80% single-stage furnaces. In-shot burners deliver a precise, aimed flame into each heat-exchanger tube for clean, efficient combustion. Sooted, rusted, or misaligned burners cause rough ignition, delayed light-off, and flame rollout — replacing worn burners restores reliable startup and even heating.
Goodman OEM burners are stamped and ported to match the exact venturi throat and flame pattern the AMS80604 heat exchanger was designed around. Generic burners can alter flame length and air mixing, leading to poor combustion or nuisance limit trips. OEM ensures correct flame geometry and safe operation.
Moderate (2 of 5). Requires removing the burner assembly, sliding burners off the manifold, and confirming alignment with the igniter and flame sensor. Shut off gas and power before servicing. A combustion analysis after replacement is recommended. Best performed by a licensed HVAC technician.
Fits Goodman and Amana furnaces on the AMS80604 platform. Confirm your model and burner count before ordering.