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The Goodman B4022700 In-Shot Burner is a genuine OEM 3-inch single burner designed for the AMH80604BXBB gas furnace and compatible Goodman/Amana models. Each in-shot burner directs a precise gas/air stream into the heat exchanger tube for clean, quiet, efficient ignition and even heating. Replace burners that are rusted, cracked, or producing a yellow or lazy flame.
The genuine OEM B4022700 has the correct port sizing and venturi geometry for the AMH80604BXBB's rated input, ensuring proper flame carryover and combustion. Generic burners can misalign in the manifold or alter the air/fuel mix, causing sooting, noise, or flame-rollout faults. Replace all burners as a set for best results.
Moderate (3/5) — Shut off gas and power, remove the burner box/manifold, slide the burner off the orifice, and reseat aligned to the heat-exchanger inlet. Recommended for experienced DIYers or a technician; allow 45–60 minutes and verify flame after startup.