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The Goodman B4022700 is a genuine OEM 3-inch in-shot burner built for the AMEC800603BXAA gas furnace and compatible Goodman/Amana models. Each in-shot burner directs a precise gas-air stream into the heat exchanger tube for clean, efficient combustion. Replacing worn or corroded burners restores reliable ignition and even heating.
OEM in-shot burners are stamped and ported to the exact orifice and flame geometry your furnace was designed around, ensuring correct flame carryover and combustion. Generic burners can misalign with the orifice or heat exchanger, causing rough ignition, sooting, or nuisance lockouts. Replace all burners as a set for best results.
Difficulty: Moderate. Requires shutting off gas and power, removing the burner assembly, and aligning each burner with its orifice and heat exchanger tube. Best performed by an HVAC technician; verify proper flame and no gas leaks after service.