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Upgrade nowMotorised Valves: 2-Port and 3-Port
Read through the material below, then test your understanding.
Module Lessons
Central Heating
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
Lesson Overview
Motorised valves are electrically operated mechanical devices that direct heated water to heating circuits, hot water cylinders, or both. Understanding their operating principles, port configurations, and correct installation orientation is essential for ensuring system efficiency and compliance with Building Regulations.
Learning Objectives
Distinguish between two-port, three-port mid-position, and three-port diverter motorised valves.
Identify correct port designations, piping connections, and installation orientations.
Explain safe replacement procedures for actuator heads and synchronous motors.
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