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The Goodman B4022700 is a genuine OEM 3-inch in-shot burner built for the ADVC80603BXBB gas furnace and compatible Goodman/Amana models. Each in-shot burner delivers a metered gas/air mixture into its heat-exchanger tube for clean, complete combustion. Over time burners rust, clog, or develop flame-rollout from lint and scale — replacing them restores a crisp blue flame, correct BTU output, and safe, efficient heating.
This genuine OEM Goodman burner matches the exact venturi geometry and port pattern of your furnace, ensuring the factory flame profile. Generic burners can alter the air/fuel mix, causing sooting, noise, or nuisance flame-sensor lockouts. Replace all burners as a set for even performance.
Moderate (3/5) — Requires shutting off gas and power, removing the burner assembly and gas manifold, swapping the burner, and verifying flame quality on restart. Recommended for experienced DIYers or a licensed HVAC technician; 45–60 minutes.