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Read through the material below, then test your understanding.
Module Lessons
Hot Water
Hot Water Legislation and Standards
System Selection Factors
Open Vented Hot Water Systems
Hot Water Storage Cylinders
Combination and Quick Recovery Cylinders
Unvented Hot Water Systems
Localised Hot Water Systems
Hot Water Safety Controls
Discharge Pipework (D1/D2)
Decommissioning Hot Water Systems
Thermostatic Mixing Valves (TMVs)
Installing Shower Mixing Valves
Replacing Hot Water Components
Expansion of Hot Water Pipework
Testing and Inspecting Hot Water Systems
Hot Water System Fault Finding
Maintenance and Component Replacement
Lesson Overview
Plumbing maintenance ensures systems remain hygienic, efficient, and leak-free through planned servicing and rapid fault repairs. This lesson covers servicing and replacing taps, valves, and pumps safely while protecting customer property and water quality.
Learning Objectives
Distinguish between planned preventative maintenance and unplanned emergency repairs.
Explain the step-by-step procedures for servicing, reseating, and replacing taps and float-operated valves.
Identify safe isolation procedures for water and electrical supplies prior to replacing plumbing components.
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