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The Goodman B4022700 is a genuine OEM 3-inch in-shot burner engineered for the ACES800603ANAA gas furnace and compatible Goodman/Amana 80% AFUE multi-burner heat exchangers. The in-shot design delivers a clean, stable flame that fires directly into the heat exchanger tube for efficient, even combustion. A worn, rusted, or sooted burner causes delayed ignition, rollout, or noisy 'whump' starts — replacing it restores quiet, reliable heating.
This is the genuine Goodman OEM burner, dimensionally identical to the factory part with correct port sizing and flame characteristics. Generic burners may vary in throat diameter or port geometry, which can shift the flame pattern and trip the rollout switch. For a precise, code-compliant fit, OEM is the safe choice.
Easy (2/5). Shut off gas and power, remove the burner assembly bracket, slide out the old burner, and seat the new one. Most homeowners complete this in 20–30 minutes with basic hand tools. Always verify proper flame ignition after install.