La Marzocco 3 Group GB5 Machine The machine is in excellent condition. Distinguishing Specifications: • Number of Groups: 3 groups (handles very high work pressure). • Boiler System: Dual Boiler system to separate the coffee boiler from the steam boiler to ensure temperature stability. • Control: PID system for precise temperature control. • Additions: Top cup warmer, digital display screen for controlling settings. Machine Condition: • Used for 3 and a half years (out of warranty). Selling to the highest bidder. Only serious buyers should contact.