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Module Lessons
Introduction to Central Heating & Part L
Heat Emitters: Radiators and Convectors
Radiator Valves: TRVs and Lockshields
System Layouts: One-Pipe and Two-Pipe
System Layouts: Microbore and Manifold
Boiler Types: Regular, System, and Combination
Condensing Boiler Principles
Open Vented Central Heating Systems
Sealed Central Heating Systems
Expansion Vessels and Pressure Relief
Central Heating Pumps and Circulators
System Controls: Programmers and Thermostats
Motorised Valves: 2-Port and 3-Port
Fully Pumped Systems: The Y-Plan
Fully Pumped Systems: The S-Plan
Filling, Venting, and System Balancing
Water Treatment and System Protection
Understanding the design, components, and operational differences between regular, system, and combination boilers is essential for selecting and installing the correct appliance in domestic properties.
Identify the key design features and components of regular, system, and combination boilers.
Compare the system layouts and cylinder requirements associated with each boiler type.
Select the most appropriate boiler based on property layout, occupancy, and water supply conditions.
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