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The Goodman B4022700 3-Inch In-Shot Burner is a genuine OEM burner engineered for the burner assembly of Goodman and Amana AMVC80603BNBD 80% AFUE two-stage variable-speed gas furnaces. Each in-shot burner directs the fuel-air mixture into a single heat-exchanger tube for clean, quiet, consistent ignition and even flame distribution across both firing stages.
Genuine Goodman in-shot burners have factory-set port geometry and venturi sizing matched to the manifold orifices, so the flame lights crisply and burns at the correct rate. Generic burners can produce lazy or roll-out flames, sooting, or delayed ignition when the venturi doesn't match. Because this affects combustion safety and efficiency, OEM is strongly recommended — and replace all burners in the rack as a set for even performance.
Moderate — professional recommended. Requires shutting off gas and power, removing the burner assembly, sliding out the old burner, and seating the new one so it aligns with its orifice and heat-exchanger tube. A licensed technician should verify flame quality and check for proper ignition and roll-out after service.
Restore clean, efficient combustion on your AMVC80603BNBD with the genuine Goodman B4022700 in-shot burner.