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The B4022700 is a genuine OEM Goodman 3-inch in-shot burner engineered for the ADVC81155CXAA furnace and related Goodman/Amana gas furnace models. In-shot burners deliver the gas-air mixture into the heat exchanger tubes for clean, efficient combustion. A worn, rusted, or misaligned burner can cause delayed ignition, uneven flame, noisy startup, or safety lockouts — replacing it restores quiet, reliable heating.
OEM Goodman burners are calibrated to the furnace's exact orifice spacing and firing rate for proper flame geometry. Generic burners can produce lifting or flashback, incomplete combustion, and elevated CO — problems you never want in a combustion component. OEM is strongly recommended.
Moderate (3/5). Requires removing the burner assembly and correct realignment with the gas orifices and igniter. Recommended for technicians. Always shut off gas and power first, and verify flame quality after service.