9.1In preparation
Flue types and classification
Open-flued, room-sealed and flueless appliances; natural and fanned draught.
BS 5440-1
This topic supports
- M09.1Identify flue types and explain how natural-draught and fanned-draught flues work.
The lesson text for this topic is being written. The learning outcomes above, and any artefacts below, show what it will cover.
Interactive artefact
Room-sealed balanced flue
A concentric balanced flue: combustion air in, products out, and why the room air isn't involved.
Will demonstrate
- Combustion air drawn in through the outer duct
- Products expelled through the inner duct
- Why the room air is not used
Planned. This interactive will appear here when it's built.