This square-faced dual-scale gauge combines boiler and pump pressure readings in one housing
Add Grindz Grinder Cleaning Tablets – use 1 jar cap (35-40 g) for espresso grinders or 2 caps (70-80 g) for shop grinders
Valve guide armature OD: 14 mm
Mazzer OEM part #: MAZ_30
it's there to prevent scratches in shipping
Bezzera Group Head Bell linea-pb-parts/linea-pb-electrical-system-and-pump This square-faced dual-scale gauge combinesGroup Head Bell Replacement group head bell for Bezzera espresso machines. Older Bezzera BZ02, 35, 40, 99 models, as well as the Pasquini Livia 90, require an additional spacer (sold separately) for proper fit. COMPATIBILITY Fits: Bezzera models, additional spacer required for BZ02, 35, 40, 99, and Pasquini Livia 90 Works with: o ring 04131 (sold separately, not included) INSTALLATION A qualified technician is recommended, particularly on models