O-ring 17.86x2.62 for condensation chamber pipes THERMONA - 42568.1
O-ring exchanger 17.86x2.62 DAKON DUA PLUS, BEA, IPSE, IMMERGAS NIKE STAR , EOLO STAR, THERMONA - 1131 6041 / 87381016440 / 00260536 / 3.018189 / 1.011141 / 3.016041 / 42568.1
The O-ring has been replaced and can be found under the number 3.018189P