The part 0130F00010 is a flame‑sensor rod (sometimes called a sensing rod) used in gas‑fired furnaces (for example Goodman/Amana/Janitrol models).
AMRE Supply
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North America HVAC
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Supco
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Its function: when the burner of the furnace ignites, the flame sensor monitors whether a proper flame is present. If the flame extinguishes prematurely (or never forms), the sensor tells the control board to shut off the gas valve (for safety).
North America HVAC
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It is a relatively small component but critical for safe operation of the furnace’s ignition and burner sequence.