2008DIN EN 449:2008-03 Specification for dedicated liquefied petroleum gas appliances - Domestic flueless space heaters (including diffusive catalytic combustion heaters); German version EN 449:2002+A1:2007
2008DIN EN 449:2008 Specification for dedicated liquefied petroleum gas appliances - Domestic flueless space heaters (including diffusive catalytic combustion heaters) (includes Amendment A1:2007); English version of DIN EN 449:2008-03
2003DIN EN 449:2003 Specifications for LPG appliances Ventless domestic space heaters (including heaters with diffusive catalytic combustion)