Scambiatore primario per caldaia Riello 4R002068 4365620 4R002007 compatibile con modelli: Family 24 KI, Family 26 KIS 3S, Oblò 24 KIS 3S, Oblò 24 KI, Oblò IN 24 KI, Oblò IN 24 KIS 3S, Residence 24 I DGT N, Residence 24 KI DGT N, Residence N 24 I, Residence N 24 KI, Residence N 24 KIS 3S, Residence N 24 IS 3S, Residence Externa 24 KI