
Alto
Alto gives brewing and steam their own PID-controlled boilers and adds tap-operated steam and hot-water valves. The display doubles as a shot timer, with programmable preinfusion and an eco mode for the gaps between drinks. This profile covers the standard Alto.
US catalog · Alto · 120 V
New · Black · 120 V
In stock when checked Nov 9, 12:18 AM UTC. Affiliate link
Specification research, not a hands-on review. Sources checked November 7, 2026.
- Heating system
- Dual boiler
- Portafilter diameter
- 58 mm
- Milk workflow
- Manual steam wand
- Integrated grinder
- No
Living with the Alto
Your coffee routine
Plan for a separate espresso grinder.
Milk workflow: Manual steam wand.
Brewing and steaming can run together.
On your counter
- Width 304.8 mm (12.0 in)
- Depth 501.65 mm (19.8 in)
- Height 368.3 mm (14.5 in)
Converted from the source’s stated inches.
Allow extra room for access, refilling and cleaning. Published dimensions do not include installation clearance.
Daily setup
Water reservoir: 3 L.
Power supply: 120 V.
Plan this setupFollow the manufacturer’s manual for water, cleaning and maintenance instructions.
Specifications
| Portafilter diameter | 58 mmSource ↗ |
|---|---|
| Integrated grinder | NoSource ↗Ground coffee is prepared separately and loaded into the portafilter; the manual recommends a separate grinder. |
| Milk workflow | Manual steam wandSource ↗ |
| US supply voltage | 120 VSource ↗ |
| Heating system | Dual boilerSource ↗ |
| PID temperature control | YesSource ↗ |
| Water reservoir | 3 LSource ↗ |
| Brew & steam together | YesSource ↗ |
| Rated power | Not verifiedSource ↗The source gives Brew: 1400 W and Steam: 1400 W separately. These are not treated as a verified total rated input. |
| Width | 304.8 mmSource ↗Converted from the source’s stated inches. |
| Height | 368.3 mmSource ↗Converted from the source’s stated inches. |
| Depth | 501.65 mmSource ↗Converted from the source’s stated inches. |
| Product weight | 27.3 kgSource ↗Net weight; the separate 29.5 kg gross weight is excluded. |
Published source specifications. Unknown values stay unknown.
Compare with
Bello
Heating system: Heat exchanger
Bello+
Heating system: Heat exchanger
Sources
This profile cites US manufacturer or retailer documentation. Source-listed offers keep their merchant SKU and finish; matching prices do not establish identical hardware revisions across stores.
- Diletta Alto · US product page ↗
- Diletta Alto · manufacturer ↗
Product features and specifications · Checked November 7, 2026 - Diletta Alto user manual ↗
Page 6, Machine Specifications: NET WEIGHT · Checked November 7, 2026 - Diletta Alto Espresso Machine · Seattle Coffee Gear ↗
FAQ: Can I brew espresso and steam milk at the same time on the Diletta Alto? · Checked November 7, 2026
Product photography from the linked source; the pictured finish is noted above. Image source ↗. A manufacturer SKU identifies a configuration, not a confirmed hardware revision.