The Polypipe SJ454G Boss Pipe 4in/110mm is a durable PVC-U fitting designed for soil, waste, and vent systems. It requires a boss adaptor for secure installation, ensuring a stable, leak-free connection. Ideal for domestic and commercial plumbing applications, this boss pipe delivers reliable, long-lasting performance and easy integration into standard 110mm pipework. Available at Plumbco for professional plumbing solutions.
The Polypipe SJ454W is a 110mm boss pipe designed to connect additional waste pipes to a main soil and vent system. Constructed from durable PVCu, it ensures leak-free performance and long-lasting reliability. This fitting requires a compatible boss adaptor to connect Ø32mm, Ø40mm, or Ø50mm branch pipes securely. Certified to BS EN 1329-1 and BS 4514 standards, it is ideal for domestic plumbing applications, providing a simple and efficient solution for extending waste pipe networks.