Certified Brand Service
La Marzocco
Dual boiler saturated group standards
Espresso Machine Service
Commercial-grade prosumer espresso machines built around dual boilers and saturated groups, requiring precise vacuum breaker and seal service to preserve thermal stability.
Supported Models
Linea MiniMicraGS3 (MP)GS3 (AV)
Standard Preventative Maintenance Checklist
- Vacuum breaker inspection and rebuild
- Safety valve pressure test and replacement
- 8.5mm group seal replacement
- Group diffuser cleaning and inspection
Precision Tolerance Notes
- Safety valve must hold within OEM-rated PSI before returning to service.
- Group seal swelling or channeling indicates immediate replacement need.