Details
2.62 mm thick x 12.37 mm internal diameter - PTFE.
This is a new version, replacing the old rubber MZ_410 (H.1.003). It sits inside the steam wand nut, sealing the lower surface of the steam wand ball.
To install you will need to remove the steam wand tip, then the nut. Push the o-ring inside the nut vertically the press it into place in a circular motion to set it in place. Reinstall the nut onto the wand, then thread the tip back on.
La Marzocco part #: H.1.044.
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Attention CA Residents: Prop 65 Warning
WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.