Rocket O-Ring Steam/Water Wand 6x1.2mm – Genuine Spare Part
A quiet hiss, a warm burst of steam – and the milk begins to turn in fine swirls. What makes this moment reliable usually sits out of sight: a small sealing ring on the steam and water wand, holding pressure and heat exactly where they belong.
Rubber and silicone seals change over time – every heating and cooling cycle takes its toll on the material, until it loses tension and no longer closes quite tightly. A fine drip at the wand or a light hiss alongside the actual burst of steam is usually the first sign. The replacement is straightforward and, for us, part of the normal care of an espresso machine – no major undertaking, simply a small gesture that makes the next cappuccino as silky as it was on day one. Good maintenance is, for us, part of the enjoyment, not a detour from it – that too is just our opinion, one of many.
At a Glance
| Type |
O-ring steam/water wand |
| Size |
6 x 1.2 mm |
| Fits |
Rocket Espresso portafilter machines |
| Brand |
Rocket Espresso |
| Item number |
A02003 |
Who It's For
For anyone who keeps their Rocket in shape themselves – whether as part of the yearly routine or because a fine drip appears while steaming. No prior knowledge needed: the O-ring is a simple swap, and if you're unsure, you'll find support from us instead of generic instructions.
Goes Well With
More genuine spare parts for your machine can be found in our Rocket Spare Parts Collection, the full machine range in the Rocket Espresso Collection. For all-round care, take a look at our Cleaning and Care – from the daily backflush to a thorough descale.
Frequently Asked Questions
What size is the O-ring?
6 x 1.2 mm, fitting the steam and water wand on Rocket espresso machines.
How do I know the O-ring needs replacing?
A fine drip at the wand or a quiet hiss alongside the actual burst of steam are typical signs.
Is this a genuine spare part from Rocket?
Yes, a genuine spare part from Rocket Espresso. Coffee Coaching Club is a partner of Rocket.
Can I see the part in the showroom before buying?
Yes, in Bern (Gerberngasse 44) and Zürich (Hagenholzstrasse 50b) you can experience it live.
How fast do you deliver?
Within 2–4 business days, across Switzerland and to Liechtenstein.
Roastery Tip
From the roastery: for most of us, Cozy Chocolate and Nutty Delight are the starting point – full-bodied, aromatic, dense. Anyone looking for maximum body with no acidity at all finds their favourite in Very Nutty. And for anyone curious about a fruity experience: Wild Peach is our discovery for the moment after. Our recommendation – one of many, every bean finds its people.
