a bench vice and steady heat (not excessive force) is the safer way to break it loose without damaging the portafilter body
since the two valve body generations aren't interchangeable
and CBS-2132XTS-3L filter baskets
complete with O-rings
Rancilio Group Head Dispersion Plate
Rancilio iSteam Tip coffee-brewing/brewers a bench vice and steadyRancilio iSteam Tip This steam tip is used across a wide range of Rancilio models, including the Classe 10 (RE 07, S 07, USB 07), Classe 11 (USB, USB X Celsius), Classe 6 (E 07, S 07), Classe 8 (DE 07, S 07), Classe 9 (S, USB, USB X Celsius), and Epoca (1 GR E 07, 1 GR S 07, E 07, S 07). This is a special order item shipped directly from the manufacturer separately from the rest of your order: in stock units ship fast, while out of stock units