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The Goodman B4022700 3-inch In-Shot Burner is a genuine OEM gas burner engineered for Goodman and Amana furnaces, including the AMVC800805CXAB. Each in-shot burner directs the gas/air mixture into a single heat-exchanger tube for stable, efficient ignition and even flame distribution across the burner bank.
The OEM B4022700 is manufactured with the exact venturi throat, port diameter, and mounting geometry your furnace was certified with. Off-brand burners often have inconsistent port drilling that causes rough ignition, delayed light-off, sooting, or flame-sensor faults. When replacing one burner, inspect the full bank and replace as a set for uniform flame.
Moderate (3/5). Requires shutting off gas and power, removing the burner-box cover, and sliding the burner off its mounting rack — 20–40 minutes for a competent DIYer. Verify flame appearance and CO after service; when in doubt, use a licensed HVAC technician.
Genuine Goodman/Amana sourcing. Questions on fit? Email info@nationalhvacparts.com.