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The Source 1 S1-9951-1691 York/ORF Gas Furnace Orifice #18 (0.1695) is an essential component for the efficient operation of your gas furnace. This orifice ensures proper fuel delivery by regulating the gas flow into the burner tube, which helps maintain an effective air-fuel mixture for a steady flame.
This orifice contributes to the improved performance of gas furnaces by providing reliable and consistent gas flow.
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