The key components include pipes, fittings, valves, fixtures and drainage units, which together provide water supply and waste removal. Understanding these gives you the foundation to design, install and maintain effective plumbing systems.

Common tools include pipe wrenches, adjustable spanners, tubing cutters, plungers and sealant tape. Learning to use these correctly helps you perform installations, repairs and servicing safely and efficiently.

A domestic cold‐water system delivers mains water to fixtures via supply pipes, with isolation valves and distribution branching. Proper layout, flow control and maintenance ensure dependable performance and avoid issues like low pressure or leaks.

Installing a hot‑water system involves selecting the correct heater type, sizing supply and return circuits, insulating pipes, and integrating safety devices. It ensures consistent hot water while meeting regulatory standards and energy efficiency.