Properly creating a boss connection, which is the process of integrating a branch pipe (like one from a basin, sink, or toilet) into a main soil stack, is absolutely critical for maintaining a reliable, leak-free, and well-vented drainage network. Understanding the correct procedures, from selecting the right boss adaptor to ensuring a perfect seal, is vital for the long-term integrity of the installation. These lessons will walk you through the key steps for making these connections, following our official installation guide.