Copper Inlet Pipe (Fill) Pump to Steam Boiler Silvia PRO This Pipe (and related parts) were eventually replaced by the Teflon Tubing (and related Quick-Connect Fittings) and, according to Rancilio data base it is found on machine PREVIOUS of SN 230V from 10342524 (11/11/20) and 110V 10345397 (01/13/21). Although the database from the manufacture should be reliable and accurate we strongly suggest a visual confirmation that your model uses this fitting prior to ordering.