Technical Booklet L Combustion Appliances and Fuel Storage Systems·Page 20
Open-flued appliance definition
An open-flued appliance draws combustion air from the room where it is installed and requires a flue to discharge combustion products to outside air.
Open-flued appliance – one which draws its combustion air from the room or space within which it is installed and which requires a flue to discharge its products of combustion to the outside air. See Diagram 1.3(a), (c) and (e).
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