Izzo Alex PID vs Rocket Espresso Appartamento
Technical comparison · Heat exchanger
The comparison between Izzo Alex PID and Rocket Espresso Appartamento analyzes two prosumer heat exchange espresso machines featuring an E61 group head. Both models sit in an estimated price range of 1000–2200€, making technical specifications the defining selection factor. The analysis focuses on the structural and thermal control differences between the two options.
| Parameter |
Alex PID
Izzo
F4 · Semi-professional
|
Appartamento
Rocket Espresso
F4 · Semi-professional
|
|---|---|---|
| Identity | ||
| Launch year | — | 2016 |
| Use tier | F4 — Semi-professional | F4 — Semi-professional |
| Price | ||
| Price (€) | ~1000–2200 € | ~1000–2200 € |
| Price updated on | 09/2026 | 09/2026 |
| Universal specs | ||
| Dimensions (W×D×H) (cm) | 36.4 × 45 × 41.6 cm | 27.4 × 43.95 × 36 cm |
| Weight (kg) | 30 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 |
| PID control | Yes | No |
| Pump type | Rotary | — |
| Group head type | E61 | E61 |
| Water tank capacity (l) | 2.3 l | 2.5 l |
| Plumbable | Yes | No |
| Pressure gauge | Yes | — |
The differences that matter
Thermal control: Izzo Alex PID features PID control, which is absent on the Rocket Espresso Appartamento. Water supply: Izzo Alex PID can be plumbed directly into the water line and has a 2.3-liter tank; Rocket Espresso Appartamento relies solely on a 2.5-liter internal reservoir. Pump system: Izzo Alex PID is equipped with a rotary pump, whereas the pump type for the Rocket Espresso Appartamento is unstated. Size and weight: Rocket Espresso Appartamento (27.4 × 43.95 × 36 cm, 20 kg) is more compact and lighter than the Izzo Alex PID (36.4 × 45 × 41.6 cm, 30 kg). Instruments and accessories: Izzo Alex PID includes a pressure gauge, while the Rocket Espresso Appartamento specifies a 58 mm portafilter (the Izzo's portafilter diameter and the Rocket's gauge status are unavailable data points).
Which one to choose
Choose Alex PID if…
The Izzo Alex PID suits users requiring specific extraction control through its integrated PID module. The direct water line connection capability and the inclusion of a rotary pump allow for continuous use without refilling the 2.3-liter reservoir. The 30 kg weight requires a solid and permanent counter space setup.
Choose Appartamento if…
The Rocket Espresso Appartamento, released in 2016, targets users with limited counter space, measuring 27.4 cm in width and 36 cm in height. The 2.5-liter water tank supports autonomy without a direct plumbing option. The lack of a PID module requires the user to manage temperatures via standard cooling flushes typical of E61 group operations.
Where to buy
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