IMAGE COMING SOON
OEM Guaranteed
Same-Day Ship
30-Day Returns
Secure Checkout
The B4022700 is a genuine OEM 3-inch in-shot burner for the Amana/Goodman AMVC800603BNAA gas furnace. In-shot burners deliver the gas-air mixture into the heat exchanger tubes for clean, complete combustion. Over time burners can rust, clog with debris, or distort from heat, causing rough ignition, delayed light-off, sooting, or a lazy yellow flame. Installing a fresh OEM burner restores crisp blue-flame ignition and rated efficiency.
The OEM burner matches the exact venturi length, port pattern, and flame-carryover geometry your furnace was certified with. Generic burners can alter the flame profile, upset carryover between tubes, and trip the flame sensor. For safe, code-compliant combustion, OEM is strongly recommended.
Rating: Moderate (3/5). Requires shutting off gas and power, removing the burner assembly, and verifying flame sensing and carryover after install. Best performed by a licensed HVAC technician — combustion work carries safety risk.
Tip: When replacing one burner, inspect and replace the full set so all tubes light evenly. Verify your model before ordering.