Appliance in United Kingdom

Room-sealed appliance in the Building (Scotland) Act 2003

Meaning of Room-sealed appliance in the context of the Building (Scotland) Act 2003: a combustion appliance which, when in operation, has its combustion chamber, air inlet and its flue outlet ways isolated from the room or space in which it is installed.

Open-flued appliance in the Building (Scotland) Act 2003

Meaning of Open-flued appliance in the context of the Building (Scotland) Act 2003: one that draws its air for combustion from the room or internal space within which it is installed and uses a flue system to discharge its products of combustion to the outside air.