This Burnham Commercial component is a precision-engineered part designed to control the flow of gas in heating systems. The device, typically made from brass or stainless steel, features a small hole through which the gas passes. The size of this hole is meticulously calibrated to ensure the correct amount of gas is released, thereby ensuring optimal performance and efficiency of the heating system. This component is resistant to wear and tear, offering durability and longevity. It's crucial in maintaining safe and efficient operation of commercial heating systems.