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[https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/1141098/The_Merged_Approved_Documents_Mar23.pdf Approved Document J, Combustion appliances and fuel storage systems], 2010 edition incorporating 2010, 2013 and 2022 amendments, defines a natural draught flue as one in which: ‘…the combustion products flow into the flue as a result of the draught produced due to the difference between the temperature of the gases within the flue and the temperature of the ambient air. Taller flues produce a greater draught at their base. Except for those balanced flue appliances which are designed to discharge directly through the wall adjacent to the appliance, a satisfactory natural draught requires an essentially vertical run of flue.’

= Related articles on Designing Buildings =

* Approved document J.
* Approved documents.
* Building Regulations.
* Chimney.
* Combustion appliance.
* Draught.
* Draught diverter v draught stabiliser
* Flue.
* Fuel.
* Ventilation.

[[Category:DCN_Definition]] [[Category:DCN_Product_Knowledge]] [[Category:Definitions]] [[Category:Products_/_components]]

Natural draught flue - Revision history

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