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Module Lessons
Incoming Mains: Communication vs. Supply Pipes
Installation Depths and Building Entry
Direct Cold Water Systems
Indirect Cold Water Systems
Siting and Installing Storage Cisterns
Float-Operated Valves and Overflows
Principles of Backflow
Terminal Fittings and Taps
Non-Mechanical Backflow Prevention (Air Gaps)
Water Treatment and Distribution
Mechanical Backflow Prevention Valves
Commissioning: Testing and Flushing
Terminal fittings provide the final draw-off points for water across domestic fixtures. Understanding their internal mechanisms, pipe sizing, and correct installation methods ensures reliable operation and protects water quality.
Identify common types of domestic taps, mixer assemblies, and their internal operating mechanisms.
Explain the correct pipe sizing, tail dimensions, and backflow considerations for different sanitary appliances.
Describe the correct step-by-step procedures and tools used for tap maintenance, re-seating, and replacement.