La Piccola Heat Exchanger Silicone O'rings x 2 Part No. B03
Used with the coffee heat exchanger for the La Piccola Cecilia, Piccola and Sara.
Ring thickness 2.62mm, internal ø 12.37mm.
These o'rings seal the spiral cartridge within the heat exchanger and prevent leaking.
Also use with Old Style Rancilio Silvia elements and Elektra Mini Verticale elements.