UNE 60751:1984

CALDERAS MURALES DE CALEFACCION CENTRAL (NO COLECTIVAS) DE POTENCIA UTIL NOMINAL HASTA 50 KW QUE UTILIZAN COMBUSTIBLES GASEOSOS DERIVADAS DE CALENTADORES INSTANTANEOS

GAS FIRED WALL MOUNTED CENTRAL HEATING BOILERS (NON COLECTIVE) WITH OUTPUT UP TO 50 KW DERIVEDS OF INSTANTANEOUS WATER HEATING BOILERS