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Interaction of mechanical extract ventilation and open-flued combustion appliances - general principle
2.16-2.17NI-wide·Technical Booklet L Combustion Appliances and Fuel Storage Systems
Extract fans lower the pressure in a building and this can cause the spillage of combustion products from an open-flued appliance. In a building where it is intended to install an open-flued applianc
combustion-appliancesventilationsafetyProtection of flue outlets
5.9-5.10NI-wide·Technical Booklet L Combustion Appliances and Fuel Storage Systems
5.9 A flue outlet should be protected by a guard where – (a) a person could easily come into contact with it; or (b) it could be damaged. 5.10 If a flue outlet is in a vulnerable position, such as wh
combustion-appliancesfluessafetyGuarding of flue pipes and factory-made chimneys
5.20NI-wide·Technical Booklet L Combustion Appliances and Fuel Storage Systems
A flue pipe flue and factory-made chimney should be guarded where – (a) they present a burn hazard to people that is not immediately apparent; or (b) they could be at risk of damage.
combustion-appliancesfluessafety