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The Goodman B4022700 3-inch In-Shot Burner is a genuine OEM replacement component engineered for AMEC800805DXAA gas furnaces. The in-shot burner delivers the fuel-air mixture into the heat exchanger tube, and a burner that is rusted, cracked, or clogged with debris can cause delayed ignition, rollout, or uneven heating. Installing a factory-matched burner restores the crisp blue flame and reliable ignition your furnace was designed to produce.
Our OEM Goodman burner matches the original flame profile, port geometry, and mounting alignment exactly — critical for proper heat-exchanger performance and safe combustion. Generic burners may fit dimensionally but can alter flame characteristics and trigger flame-sensing or rollout faults. For a combustion component, OEM is strongly recommended.
Moderate — Requires shutting off gas and power, removing the burner assembly, and aligning the new burner to the manifold and igniter. Best performed by an HVAC technician; expect 30–45 minutes.