Diletta Bello+ vs Rancilio Classe 5 ST 1 Group

Side-by-side specs, source-checked. Prices are manufacturer reference (€).

Spec Diletta Bello+ Rancilio Classe 5 ST 1 Group
Type Heat exchanger Heat exchanger
Price (€) $2,133 $2,389
Boiler Single 1.8 L stainless steel heat exchanger boiler with PID temperature control Single 4 L heat-exchanger boiler with hot water outlet and steam wand
Boiler material stainless
PID yes no
Pre-infusion programmable none
Group head E61 Rancilio ring brew group
Pump vibratory
Plumbable no no
Reservoir (L) 3 2
Heat-up (min) 14
Power (W) 1500 1700
Weight (kg) 26.8 35
Origin Italy
Released

Diletta Bello+ source · Rancilio Classe 5 ST 1 Group source

Specs verified against manufacturer/retailer sources — see our sourcing & methodology. Last checked: Aug 6, 2026. Spot an error?