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The B4022700 is a genuine OEM 3-inch in-shot burner engineered for the Goodman GDT115-5A gas furnace and compatible Goodman/Amana models. Each burner directs the gas-air mixture into the heat exchanger tube for clean, efficient combustion. Furnaces use one burner per heat exchanger cell, so replace as a matched set when servicing a rusted or clogged burner assembly.
This is a genuine Goodman OEM burner built to the original combustion geometry and orifice spacing. Aftermarket burners may vary in port size and flame pattern, which can cause rollout, delayed ignition, or heat-exchanger stress. For consistent flame carryover and safe operation, OEM is strongly recommended.
Easy — Burners slide out after removing the manifold and gas valve assembly. Basic hand tools required. Always shut off gas and power before service; a licensed HVAC technician is recommended for gas-side work.