La Marzocco 220V 1900W Three Group Brew Boiler Heating Element - Boosted Brand_Urnex Replace the R5 o-ring at

Replace the R5 o-ring at the same time you swap this stem

Brasilia Gradisca Pressure Gauge

Cap for the group solenoid gigleur (jet) fitting on Rancilio's Z-9

so the manufacturer doesn't include wiring instructions

La Marzocco 220V 1900W Three Group Brew Boiler Heating Element - Boosted Brand_Urnex Replace the R5 o-ring atThis is a higher wattage or "boosted" power heating element (the standard is 1600W), for faster recovery time. Does NOT include the heating element gasket. This is a special order item and typically requires 1 2 weeks (typically) for processing prior to shipping. La Marzocco part #: LR366 220. Specifications: 65 cm. in length Brass flange with copper sheath Compatibility: FB70 V1. 1, FB70 V2. 0, FB70 V3. 0, FB70 V5. 2, FB70 V5. 5, FB70 V5. 6, FB80 V1.