Technical Booklet L Combustion Appliances and Fuel Storage Systems·Page 19
Definition: Flue Liner
The inner wall of a chimney that comes into contact with combustion products, which may be concrete, factory-made, or flexible.
Flue liner – the wall of the chimney that is in contact with the products of combustion (see Diagram 1.1), such as a concrete flue liner, the inner liner of a factory-made chimney system or a flexible liner fitted into an existing chimney.
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