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The genuine Goodman B4022700 3-inch In-Shot Burner is a factory replacement burner for the Amana/Goodman AMH80804BXBD 80% AFUE, 80,000 BTU gas furnace. Each in-shot burner directs a precise fuel-air stream into a heat-exchanger tube. Replacing corroded, rusted, or misfiring burners restores clean, even ignition and full rated heat output across the burner rack.
The OEM Goodman in-shot burner is dimensioned to align exactly with the manifold orifice and heat-exchanger inlet, ensuring proper flame carryover and safe combustion. Generic burners can misalign, causing rollout, sooting, or nuisance limit trips. For any combustion part, genuine OEM is strongly recommended. Replace as a full set for even performance.
Moderate — Should be installed by a qualified HVAC technician. Requires shutting off gas and power, removing the burner assembly, transferring the burner, and verifying flame carryover and ignition after reassembly.