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The B4022700 is a genuine OEM Goodman 3-inch in-shot burner built for the AMVC80604BNBD gas furnace and compatible Goodman and Amana models. Each in-shot burner directs a precise gas/air stream into its heat-exchanger tube for clean, efficient combustion. Over time burners rust, clog with debris, or distort from heat — causing rough ignition, delayed light-off, sooting, or uneven flame. Replacing worn burners restores smooth, quiet startups and full rated efficiency.
OEM burners hold the exact port geometry and venturi dimensions that Goodman engineered for this furnace, so the flame profile and gas-air mixture stay within spec. Generic burners can alter the flame shape, leading to hot spots on the heat exchanger and higher flame-sensor faults. For a combustion component, genuine OEM is strongly recommended. Order one per burner tube for a full set.
Moderate (2 of 3). Requires removing the burner box, transferring burners, and confirming alignment with the igniter and flame sensor. About 45–60 minutes. Gas and combustion work — if you are not comfortable, hire a licensed HVAC technician. Always shut off gas and power first.