| In this issue Niven deals with fitting a close-coupled open vent, while David Taylor provides advice on the installation of extended flues. |
| Don't block air vents, flues or chimneys and don't have indoor fires in rooms without ventilation. |
| The inspector should also check chimneys and flues for blockages, corrosion, disconnections, and loose connections. |
| Main causes of fatal accidents are blocked or leaky flues, poor ventilation, poor installation and maintenance, faulty appliances, or misuse. |
| These models will have multiple flues for greater heat transfer surface, or a more submerged combustion chamber. |
| Do not block air vents, flues or chimneys and don't have indoor fires or stoves without proper ventilation to the outdoors. |
