Course 3 of 7 · Beginner · 1 hour
Component Library
In short
Add each component to the canvas, explore its terminals, and test how it works. Build mini-circuits to see every component in action. You will add and examine each heating component, connect zone valves and test operation, explore 3-port valve positions, wire programmers and thermostats, use multimeter to test component states.
Comes after Electrical Fundamentals.
The 8 lessons, in order
- 01
The Fused Spur
Understanding the power source for heating systems
- 02
The Programmer
Understanding heating programmers and time control
- 03
The Room Thermostat
Understanding room thermostats and temperature control
- 04
Cylinder Thermostat
Temperature sensing for hot water control
- 05
The Zone Valve (2-Port)
Understanding motorised zone valves used in S-Plan systems
- 06
The 3-Port Valve (Mid-Position)
Drive a mid-position valve to all three positions with WHITE and GREY.
- 07
The Boiler
The heat source that powers the system
- 08
The Pump
Circulating water through the heating system

You will learn to
- Add and examine each heating component
- Connect zone valves and test operation
- Explore 3-port valve positions
- Wire programmers and thermostats
- Use multimeter to test component states
Where it connects
Components in this course
Next course
- Sequence of Operations
Build complete heating systems and trace power flow with the multimeter. See exactly how power moves from source to boiler.
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