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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
Radiator valves control water flow and room temperature while providing isolation for servicing and balancing. Selecting and fitting the correct valve combination ensures energy efficiency and compliance with Building Regulations.
Identify the operational principles and functions of thermostatic, wheelhead, and lockshield radiator valves.
Explain the statutory installation requirements for TRVs and system balancing under Building Regulations Part L.
Describe the correct procedures for dressing a radiator, applying jointing materials, and replacing valves.
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