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The Goodman B4022700 3-inch In-Shot Burner is a genuine OEM replacement for the ADSH801005CXAB gas furnace and compatible Goodman/Amana units. In-shot burners deliver the gas/air mixture into the heat exchanger tubes; a worn, rusted, or clogged burner causes uneven flame, delayed ignition, and rumble. This factory part restores clean, even combustion.
The OEM burner is stamped to the precise venturi and port geometry of the ADSH801005CXAB, matching the manifold orifice for correct air entrainment and flame carryover. Generic burners can alter the flame pattern and cause flame-rollout or crossover issues. OEM is strongly recommended for combustion components.
Moderate — Requires removing the burner assembly, matching orientation, and verifying flame carryover across all burners. Best performed by a qualified technician with the gas off. Typical service time: 30–45 minutes for a full set.