Technical Booklet L Combustion Appliances and Fuel Storage Systems·Page 28·2.26
Flue pipe materials
Flue pipes must be constructed from cast iron, metal pipes to BS EN 1856:2, vitreous enamelled steel, or other pipes with appropriate performance designation for the intended appliance.
A flue pipe should be constructed from –
(a) cast iron complying with BS 41;
(b) metal flue pipes appropriately designated in accordance with BS EN 1856: 2 to suit the appliance and types of fuels to be burnt (refer to detailed guidance in Sections 3, 4 and 5);
(c) vitreous enamelled steel pipe complying with BS 6999; or
(d) other flue pipes having the necessary performance designation for use with the intended appliance.
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