NBN EN 13384-2:2003

This European Standard specifies methods for calculation of the thermal and fluid dynamic characteristics of chimneys serving more than one heating appliances. A chimney is serving more than one appliance when either it is connected with more than one flue pipe to the appliances or there is one or more flue pipes connected with more than one appliances. This standard deals with chimneys with negative and positive pressure conditions and is valid for chimneys serving heating appliances for liquid, gazeous and solid fuels.