Expobar Office Leva Tank Coffee Machine

Expobar Office Leva — Compact E61 Heat Exchanger, Manual Lever

The Office Leva combines commercial-grade components with a space-efficient design built for home enthusiasts and small offices. Around Expobar's redesigned E61 group head with an integrated pre-infusion chamber and manual lever control, this Spanish-made machine runs a 1.5L copper heat exchanger boiler that brews and steams simultaneously — at just 26cm (10.2") of counter width.

Manual lever operation gives you hands-on control over shot volume and extraction time, appealing to purists who want tactile feedback over programmable buttons. Where single-boiler machines force you to switch modes between brewing and steaming (adding 2–3 minutes per drink), the heat exchanger design here brews and steams together — no waiting.

Why the Office Leva

• Integrated Pre-Infusion Chamber — ~7 seconds of gentle saturation before full pressure.
• 4.2kg Brass E61 Group — thermosyphon-heated, exceptional thermal stability.
• Manual Lever — hands-on shot volume and extraction time control.
• 1.5L Copper HX Boiler — faster heat-up, responsive temperature recovery.
• Compact Footprint — up to 30–40% narrower than typical E61 HX machines.
• Tank-Fed Operation — 2.9L top-fill tank, no plumbing required.

E61 Group Head with Manual Lever Control

The Office Leva uses a commercial E61 brew group — the lever-operated design dating back to the 1961 Faema E61, now an industry standard for heat exchanger machines. Expobar enhanced the classic design with a concave pre-infusion chamber above the shower screen, giving roughly 7 seconds of gentle, low-pressure saturation before full 9-bar extraction pressure engages — particularly useful for freshly roasted beans that need to degas before full pressure hits.

The E61's thermosyphon circulation continuously cycles hot water through the massive 4.2kg brass group, keeping shot-to-shot temperature consistent with no electronics or sensors required. Pull the lever down to start brewing, push up to stop — and advanced users can perform manual pressure profiling by partially lifting the lever mid-extraction.

1.5L Copper Heat Exchanger Boiler

The copper boiler maintains steam pressure for milk frothing while an internal heat exchanger tube pre-heats brew water as it flows through, reaching roughly 90–94°C before entering the group. Steam stays ready the entire time, so you can pull a double espresso while steaming milk simultaneously — cappuccino prep in under 60 seconds versus 3–4 minutes on a single-boiler machine. Copper's thermal conductivity also means faster heat-up (roughly 15–20 minutes from cold) and quicker temperature recovery after brewing. The 1.5L capacity comfortably handles 2–3 consecutive large milk drinks before needing a brief recovery.

Specifications

Working with a Heat Exchanger Machine

Cooling flush: water sitting idle in the heat exchanger tube gets superheated toward steam-boiler temperature. Before pulling a shot after the machine's been idle, flush the group briefly without the portafilter — 1–2 seconds after a short idle, 3–5 seconds after 30+ minutes idle — to purge the overheated water. Pulling shots back-to-back within a couple of minutes needs no flush at all.

Temperature surfing: experienced users can time shots against the steam thermostat cycling — brewing right as the heating element disengages for peak temperature, or right after it re-engages for the coolest point — giving repeatable results without needing PID electronics.

Ideal For

Small offices and breakrooms that want heat exchanger capacity without a large commercial footprint, and home espresso enthusiasts who want genuine E61 lever control and simultaneous brew/steam in a compact machine.

What's Included

Expobar Office Leva machine, 58mm chrome-plated brass portafilter, single-cup and double-cup filter baskets, blind basket for backflushing, 2.9L water tank, drip tray and grid, user manual and warranty documentation.

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