DIN SPEC 1139:2010 European scheme for the classification of gas appliances according to the method of evacuation of the combustion products (types); German version CEN/TR 1749:2009
The main purpose of the scheme is to promote harmonization in the classification of appliance types.
DIN SPEC 1139:2010 history
2010DIN SPEC 1139:2010 European scheme for the classification of gas appliances according to the method of evacuation of the combustion products (types); German version CEN/TR 1749:2009