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The Goodman B4022700 is an OEM 3-inch in-shot burner for the WGFM28115V5CXAB gas furnace. In-shot burners direct the gas/air mixture into the heat-exchanger tubes for ignition; a clean, properly shaped burner delivers stable flame carryover, quiet light-off, and efficient, complete combustion.
The OEM Goodman burner matches the factory port drilling and venturi geometry that the WGFM series is tuned for, preserving flame shape and combustion calibration. Generic burners can alter the burn pattern, causing rollout, sooting, or delayed ignition. Match all burners in the rack for even performance.
Moderate (3/5). Requires removing the burner assembly, transferring or replacing individual burners, and verifying alignment with the igniter and flame sensor. Plan 30–45 minutes. Shut off gas and power before servicing, and check for leaks on restart.