7 sourced reports, with what to check before you buy. Each one links to the page it was reported on.
Costly or dangerous
EVO boiler coating flaking reported to US CPSC (black flakes in cup)
A consumer incident report filed with the US Consumer Product Safety Commission describes black flakes in the cup from the steam wand of a 2023 Classic EVO Pro (RI9380/46), matching the widely reported boiler-coating flaking issue.
What to check. This is an independent regulator-side record of the same flaking fault, confirming it is not just forum chatter. Treat the EVO boiler coating as a known defect with a documented incident trail.
EVO boiler non-stick coating flakes off into the cup (Boilergate)
A Dutch Galaxus owner review of the Classic E24/EVO describes the coated boiler's teflon-like anti-stick layer flaking off into the coffee within weeks/months, with hundreds of users worldwide reporting small black flakes from the steam wand; Gaggia issued an official statement acknowledging it and offering boiler/machine replacement.
What to check. If buying an EVO (2023, coated aluminium boiler), expect a real risk of the boiler coating flaking into your drink within weeks to months. Check the serial number and prefer the E24 (brass boiler) or a 2024 polished-aluminium model if you want to avoid this specific fault.
EVO spits black flakes from steam wand and group head; boiler/group-head swap needed
A Whole Latte Love customer review reports the EVO spitting black flakes from the steam wand and group head within days; the replacement machine had the same fault, and only swapping both the boiler and group head resolved it.
What to check. The fault can recur even on a replacement unit, so a single exchange may not be enough. Budget for the possibility of needing a boiler and group-head replacement, and confirm the fix before accepting a swap.
Flow stops after descaling; solenoid valve (electroválvula) replacement quoted at 210€+IVA
A Spanish Amazon buyer of the Classic Evo INOX RI9481/11 reports the water outlet blocking during descaling, with a repairer quoting a solenoid-valve replacement at 210€+IVA; the owner unblocked it himself.
What to check. Descaling can trigger a flow blockage that owners trace to the solenoid valve, with a quoted repair of roughly 210€+IVA. If you descale, expect the possibility of a blocked brew path and factor in the repair cost.
After descaling no water from brew head; solenoid valve must be unblocked (aluminium oxide clogging)
A Home-Barista owner of the Classic Evo Pro reports that after each of three descaling runs no water came from the brew head, requiring the solenoid valve to be unblocked; a responder suggests clogging with aluminium oxide rather than the boiler liner.
What to check. Repeated descaling on the EVO can leave the brew path blocked, with owners unblocking the solenoid valve themselves. This is a recurring maintenance failure tied to the EVO's boiler chemistry.
Water flow drops drastically around six months; no official Gaggia service in Spain
A Spanish buyer of the Classic Evo INOX RI9481/11 reports water flow dropping drastically around six months until coffee becomes impossible, and states Gaggia Home has no official technical service in Spain, leaving owners to self-repair or ship to Italy at their own cost.
What to check. In the EU (Spain), a mid-life flow failure can leave you without warranty service, since Gaggia has no official service network there; owners report self-repair or paying to ship the machine to Italy. Factor this into the total cost of ownership.
Boilergate affects only the EVO (coated aluminium boiler); the E24 has a brass boiler without coating
A Galaxus Q&A page clarifies that the flaking 'Boilergate' issue is specific to the EVO's coated aluminium boiler, while the E24 (from 2024) uses an uncoated brass boiler. Gaggia Direct's own page confirms the E24 ships with a brass boiler and that polished-aluminium boilers were re-introduced in April 2024.
What to check. If you want to avoid the boiler-coating flaking fault, choose the E24 (brass boiler) or a 2024 polished-aluminium model rather than the coated EVO. The model designation, not the colour, determines the boiler type.
These reports come from the pages linked under each item: owner forums, repair guides and workshops. They are not a diagnosis of any one unit, and a careful check of the one you are buying still applies.
Text from the Kriko Espresso & coffee machines catalog, version 0.1.1, under the CC-BY-SA-4.0 license.
