What is an E61 grouphead?

The E61 is a grouphead design that has been an industry standard since 1961. It's used on a wide range of home and prosumer espresso machines from brands including Lelit, ECM, Rocket, Profitec, Bezzera, and many others. All E61 machines use a 58mm basket and portafilter.

What size accessories do I need for an E61 machine?

E61 machines use a 58mm grouphead. You need 58mm portafilters, tampers, puck screens and dosing accessories. The E61 is the most widely supported grouphead design, so you have access to the largest range of compatible aftermarket accessories available.

Are La Marzocco accessories compatible with other E61 machines?

La Marzocco uses an E61-compatible grouphead, so most 58mm accessories are interchangeable with other E61 machines. Always check individual product listings for specific compatibility notes.

What is the best first upgrade for an E61 machine?

A 58mm bottomless portafilter is the most impactful first upgrade for any E61 machine. Pair it with a proper 58mm tamper and distributor for the biggest improvement to shot consistency.

E61

E61-style machines — including popular models from Lelit, ECM, Rocket, Profitec, and many others — use the iconic 58mm E61 grouphead, the most widely supported grouphead design in the world. Every accessory below is compatible with the E61 standard.

What should I upgrade first? +

Bottomless Portafilter — The E61 grouphead is perfectly suited to a bottomless portafilter. The 58mm naked portafilter gives you full extraction visibility and is the fastest tool for diagnosing channelling, grind, and distribution issues.

58mm Tamper & Distributor — A quality flat-base 58mm tamper paired with a distributor or 2-in-1 is the foundation of consistent puck prep on any E61 machine. If you're still using a basic tamper, this is the upgrade that makes the biggest day-to-day difference.

Puck Screen — A 58mm puck screen sits on top of the puck before locking in, distributing water evenly across the surface and keeping the shower screen clean. A simple, high-value upgrade for any E61 machine.

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