This La Marzocco GB5 2EE was manufactured 06/2015 and recently acquired from a corporate office in San Francisco. It operated with filtered water and regular professional maintenance.
After acquiring, I completed the following:
- manufacturer recommended 12 month maintenance
- descaled all temperature and level probes
- descaled brew valves, jets, and replaced brew valve plungers
- new steam boiler safety valve
- new steam boiler vacuum breaker
- newly rebuilt steam valves
- new group gaskets and shower screens
- new portafilter baskets (LM 17g) and springs
- steam pressure set to 1.4bar
- pump pressure set to 9bar
- expansion valve set to 12bar
- tested and verified all systems
Includes two La Marzocco portafilters and the complete pump/motor assembly.