IMAGE COMING SOON
OEM Guaranteed
Same-Day Ship
30-Day Returns
Secure Checkout
The Goodman B4022700 In-Shot Burner is a genuine 3-inch OEM burner for AMH81405DXCA furnaces. In-shot burners deliver the gas/air mixture into each heat-exchanger tube, where it ignites to produce heat. Over time rust, scale, and spider or insect nests can obstruct the burner throat, causing delayed ignition, roll-out, or noisy combustion. Replacing a corroded burner restores a clean, quiet, properly seated flame.
Burner geometry, throat diameter, and mounting slot are matched to the heat exchanger and orifice spacing. An OEM burner guarantees correct flame carryover and primary-air draw; generic burners can misalign with orifices and produce poor combustion. We recommend replacing all burners in the manifold as a set for even firing.
Moderate (3/5). Shut off gas and power, remove the burner assembly/manifold, slide out the old burner, and set the new one on its mounting slot in alignment with the orifice. Basic hand tools required; comfortable for an experienced DIYer or technician.