This unit serves as a direct-fit replacement for older or failed 46-23120-02 and 46-25107-07 models

Common Questions Can this 440V capacitor replace my existing 370V unit

and 240V inputs

While this is an OEM York part

Standard Compliance: Fully meets ASME B16

York S1-029-21121-000 Inshot Burner This unit serves as aReliable gas to air mixing is critical for maintaining high AFUE ratings in newer high efficiency furnaces. The York S1 029 21121 000 Inshot Burner is a precision engineered OEM furnace replacement part designed to direct fuel through the orifice with a venturi effect that pulls in primary air for optimal combustion. Built for durability in high cycle environments, this single tube inshot burner minimizes byproducts like soot and carbon monoxide,