La Marzocco Micra Steam Boiler Heating Element 1300W 230V – with Gasket (E.6.050.03)

La Marzocco Micra Steam Boiler Heating Element 1300W 230V

OEM replacement steam boiler heating element for the La Marzocco Micra home espresso machine. Part number E.6.050.03. Rated 1300W at 230V with a flange length of 170mm, this element heats the dedicated steam boiler on the Micra’s dual-boiler system. Supplied with gasket for a complete, leak-free installation.

Compatible Models

Part Details

• Brand: La Marzocco
• Part Number: E.6.050.03
• Power: 1300W
• Voltage: 230V
• Flange length (LSF): 170mm
• Includes: Heating element + gasket
• Weight: 0.2 kg

La Marzocco Micra Has No Steam? A Short Maintenance Guide

If your La Marzocco Micra is producing no steam or very weak steam, a failed steam boiler heating element is the most likely cause. Here’s how to diagnose the fault and what’s involved in fixing it.

How the Steam Boiler Works on the Micra

The La Marzocco Micra uses a dual-boiler system — a separate brew boiler and steam boiler operate independently. The steam boiler heating element is responsible solely for heating water to steam temperature (typically around 125–130°C). When this element fails, the steam boiler cannot reach temperature, leaving you with no steam or a thin, wet stream instead of dry, pressurised steam.

Signs the Steam Boiler Element Has Failed

• No steam at all — the steam wand produces nothing when activated, or only a trickle of hot water.
• Steam boiler not reaching temperature — the machine’s display or app shows the steam boiler is stuck at a low temperature and never climbs to the set point.
• Circuit breaker tripping — a shorted element can trip the household circuit breaker when the steam boiler activates.
• Error codes related to steam boiler temperature — the Micra may display a steam boiler fault if the element fails to heat within the expected time window.

Diagnosing the Element Before Replacing

A technician can confirm element failure by measuring resistance across the element terminals with a multimeter after isolating the machine from mains power. An open circuit (infinite resistance) or a reading far outside the expected range confirms the element has failed. A reading to earth (ground) indicates the element insulation has broken down and the element must be replaced immediately.

Installation Note

Heating element replacement requires draining the steam boiler, disconnecting mains-voltage wiring, and removing the boiler flange. This repair must be carried out by a qualified technician. Always isolate the machine from mains power and allow it to cool completely before beginning any internal work.

Frequently Asked Questions

Does this element fit the La Marzocco Micra brew boiler as well?

No. Part E.6.050.03 is the steam boiler element. The brew boiler uses a different element. If you are unsure which boiler has failed on your Micra, contact Bear Coffee Machine before ordering.

Is the gasket included?

Yes. This listing includes the heating element and the boiler flange gasket, providing everything needed for a complete replacement.

Do you ship Australia-wide?

Yes. Bear Coffee Machine ships to all Australian states and territories with fast dispatch.