⭐ Upgrade to Pro - £19
Unlock all lessons and mock exams to pass Level 2 + Level 3 theory exams.
Upgrade nowHot Water
Design and installation of domestic hot water supply systems, including vented systems and cylinder safety.
Module Content
Follow the lessons in sequence and complete the quizzes after each lesson.
Hot Water Legislation and Standards
Get Access with Pro
System Selection Factors
Get Access with Pro
Open Vented Hot Water Systems
Get Access with Pro
Hot Water Storage Cylinders
Get Access with Pro
Combination and Quick Recovery Cylinders
Get Access with Pro
Unvented Hot Water Systems
Get Access with Pro
Localised Hot Water Systems
Get Access with Pro
Hot Water Safety Controls
Get Access with Pro
Discharge Pipework (D1/D2)
Get Access with Pro
Thermostatic Mixing Valves (TMVs)
Get Access with Pro
Decommissioning Hot Water Systems
Get Access with Pro
Installing Shower Mixing Valves
Get Access with Pro
Replacing Hot Water Components
Get Access with Pro
Expansion of Hot Water Pipework
Get Access with Pro
Testing and Inspecting Hot Water Systems
Get Access with Pro
Hot Water System Fault Finding
Get Access with Pro
Maintenance and Component Replacement
Get Access with Pro
Interactive City & Guilds Level 2 and Level 3 plumbing lessons, flashcards and mock exams, built for UK students and professionals.
© 2026 PlumbingIQ. All rights reserved.