Diletta builds espresso machines for people who understand the ritual. The Bello+ E61 is a classic heat exchanger design, which means it uses a large steam boiler to heat brew water on demand. This setup is the key to its practicality. You can pull a shot and steam milk simultaneously without waiting or watching the temperature plummet.

A front-mounted PID screen lets you monitor and adjust the steam boiler temperature with precision. This directly affects steam power and stability. In daily use, the manual controls demand your attention—you control the pump and the steam wand pressure directly. It feels deliberate. The programmable preinfusion is a quiet advantage, allowing up to ten seconds of gentle saturation for more consistent extractions from your beans.

The low-power eco mode is a thoughtful touch for a machine that lives on your counter, cutting energy use when idle. Just know that a heat exchanger requires a brief cooling flush before brewing to stabilize the brew temperature. It’s a simple, five-second step that becomes part of the routine. This is a machine for hands-on coffee making, not automated convenience.