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The Goodman 0130F00010S Flame Sensor is a genuine OEM flame-rectification sensor for the ADSH800403AXAA gas furnace. It uses microamp flame rectification to confirm the burner has lit; if the control board does not detect a flame signal within a few seconds of ignition, it closes the gas valve for safety. A weak or carbon-fouled flame sensor is the single most common cause of furnace short-cycling and intermittent no-heat lockouts.
The OEM sensor matches the rod length, bend, and alloy your furnace expects, producing a stable flame signal the control board reads correctly. Generic rods can sit in the wrong part of the flame and read low, triggering false lockouts. OEM gives the most reliable flame signal.
Easy (1/5). One screw and one push-on wire. Shut off power, swap the sensor, and gently clean any nearby surfaces. One of the simplest and most effective furnace repairs.