Technical Booklet L Combustion Appliances and Fuel Storage Systems·Page 16
Fanned draught installation
A fanned draught installation relies on a fan (either separate or integral to the appliance) for proper discharge of flue gases.
Fanned draught installation – the proper discharge of the flue gases depends upon the operation of a fan, which may be separately installed in the flue or may be an integral part of the combustion appliance.
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