These are the 230V and 120V models, manufactured between 1991 and 2014 with the rocker switches, solenoid valve, decompression pipe. The Part Diagrams below are shared with the following models : RI8161 and RI9303 . Please read the "Note" next to each spare part to see model number, voltage and other instructions. If there is no"Note", that particular part fits all models.