This Burnham Commercial Cast Iron Section Assembly is a crucial component for commercial heating systems. It features a 1/2 inch limit tapping, which is designed to accommodate a limit switch that can be used to control the operation of the heating system based on temperature. The assembly is constructed from durable cast iron, ensuring longevity and resistance to wear and tear. The product also includes a Tapered Pipe Thread (TPG) design, which allows for secure and tight connections, reducing the risk of leaks or disconnections in the system. This assembly is specifically designed for use with Burnham Commercial's range of heating systems, ensuring compatibility and ease of installation.