This Burnham Commercial cast iron section assembly is a crucial component designed for use in commercial heating systems. It features a 1/2 inch limit tapping, which allows for the installation of safety devices such as pressure relief valves or temperature limit controls. The assembly is constructed from durable cast iron, ensuring longevity and resistance to wear and tear. Its design facilitates efficient heat transfer and distribution, contributing to the overall performance and efficiency of the heating system. The product adheres to industry standards, ensuring compatibility with various commercial heating systems.