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The Goodman B4022700 is a genuine OEM 3-inch in-shot burner engineered for the ADSS800403AXAC gas furnace and other compatible Goodman/Amana models. This burner delivers the clean, stable flame your heat exchanger was designed around, ensuring proper combustion, efficient heat transfer, and reliable ignition every cycle. Over time, in-shot burners can rust, warp, or clog with debris, leading to delayed ignition, rollout, or a flashing furnace status light — replacing them with the correct OEM part restores factory performance.
The genuine Goodman burner is dimensionally matched to your manifold and heat-exchanger inlet, so flame position and carryover between burners stay within spec. Aftermarket burners often differ slightly in port geometry, which can cause uneven ignition or noisy startup. For a combustion component, OEM is the safe choice.
Easy (DIY-friendly). Shut off gas and power, remove the burner assembly bracket, slide out the old burner, and seat the new one on the manifold orifice. Typical time: 15–20 minutes. If you are unsure about gas connections, use a licensed HVAC technician.