ECM Elektronika II Profi vs Rocket Espresso Appartamento

Technical comparison · Heat exchanger

In brief

Elektronika II Profi is ahead on water tank capacity; beyond that the two differ in group head type, which is a design choice rather than a ranking. On the category's technical index, Elektronika II Profi ranks #15 of 16, Appartamento #16.

Parameter
ECM Elektronika II Profi Elektronika II Profi ECM F4 · Semi-professional
Rocket Espresso Appartamento Appartamento Rocket Espresso F4 · Semi-professional
Identity
Launch year 2016
Use tier F4 — Semi-professional F4 — Semi-professional
Price
Price (€) ~2200–5000 € ~1000–2200 €
Price updated on 09/2026 09/2026
Universal specs
Dimensions (W×D×H) (cm) 32.5 × 47.5 × 40 cm 27.4 × 43.95 × 36 cm
Weight (kg) 29 kg 20 kg
Power (W) 1400 W 1350 W
Voltage (V) 220 V 220 V
Category specs
Boiler architecture Heat exchanger (HX) Heat exchanger (HX)
Portafilter diameter (mm) 58 mm mm 58 mm mm
PID control No No
Pump type Rotary Vibration
Group head type Proprietary E61
Boiler material Stainless steel
Water tank capacity (l) 3 l 2.5 l
Plumbable No
Pressure gauge Yes

The differences that matter

  • Water tank capacity: Elektronika II Profi 3 l vs Appartamento 2.5 l — Elektronika II Profi wins (+20%)
  • Group head type: Elektronika II Profi Proprietary · Appartamento E61

Which one to choose

Choose Elektronika II Profi if…

you value water tank capacity.

See the Elektronika II Profi sheet →

Questo confronto rimanda alle due schede, dove trovi i dati completi e i link ufficiali.