This European Standard applies to type CX3 central heating boilers as specified in 4.1, equipped withatomizing oil burners:. type C13, type C33, and type C53 boilers, including their combustion air supply and combustion products evacuation ducts and their terminals;. type C43 boilers including their connection ducts but without the chimney which is erected as a shared duct system and which is part of the building;. type C63 boilers, including the connecting piece as specified in 3.7, if not integrated into the boiler;. type C83 boilers, including their connection ducts but without the chimney which is part of the building;. that have a nominal useful heat o
DS/EN 15035:2007 history
2007DS/EN 15035:2007 Heating boilers - Special requirements for oil fired room sealed units up to 70 kW