Industrial Durability: Features a corrosion-resistant chrome-plated finish to withstand heavy-duty commercial use

it provides the necessary compression for HVAC control systems and process fluid regulation

high-tensile C360 brass

ensuring zero-clearance issues during installation

York S1-029-20423-042 Orifice Industrial Durability: Features a corrosion-resistantAs a veteran HVAC service tech, you know that combustion performance starts with precise fuel metering. The York S1 029 20423 042 #42 Natural Gas Burner Orifice is a genuine OEM York furnace part engineered specifically for technical compatibility with residential and commercial heating units. This #42 drill size orifice is factory calibrated to deliver approximately 25,000 BTU hr per burner at standard 3. 5" w. c. manifold pressure, ensuring stable