The clip that keeps the hose between tank and pump in place
Under the cover of the GS3, a PVC hose runs from the water tank to the pump, and a small clip holds it where it belongs. You never get to see this part as long as it does its job. You only see it when it is lying on the floor during a service or crumbles in your hand, broken.
If the hose no longer sits firmly on the connector, the pump draws in air instead of water. You hear it straight away: the pump gets louder, the shot becomes unsteady, and in the worst case the machine runs dry. The part number of this clip is F.3.009.
When it is due
- The clip is broken, cracked or missing entirely after a service.
- The hose is visibly loose on the connector or can be pulled off by hand.
- The pump gets louder or is audibly drawing in air.
- Moisture appears around the hose connector under the cover.
At a glance
| Type |
Retaining clip for the PVC hose |
| Location |
Inside the machine, on the hose between water tank and pump |
| Fits |
La Marzocco GS3. Send us the serial number and we will check the fit. |
| Scope of delivery |
One clip. Hose, connector and tank are not included. |
| Part number |
F.3.009 |
| Version |
Original La Marzocco. We have no documentation on material and dimensions. |
| Installation |
Fitting by a qualified professional recommended |
| Brand |
La Marzocco |
Important for installation
The clip sits inside the machine, next to components that carry water and are connected to mains voltage. Only work on the machine when it is switched off, disconnected from the mains and cooled down, and take the water tank out first.
The clip alone is rarely the whole answer: if it is broken, it is worth taking a look at the hose itself and at the connector it sits on. We deliberately do not provide step-by-step instructions here; if you are unsure, have the service done.
Who it is for
For anyone with a GS3 whose clip has been lost or broken during cleaning or a service. And for workshops that want to keep a few in the drawer, because the part is small and tends to disappear.
What goes with it
From our workshop in Bern and Zurich
When a GS3 is open at our workshops in Bern and Zurich, we put the small parts on a light-coloured cloth instead of on the workbench – a black clip on a dark surface is gone before you look. And before closing, we count what belongs back in the machine. That is our routine, not a manufacturer's requirement. We pull the first shot after reassembly with Nutty Delight or Cozy Chocolate, and for body without acidity with Very Nutty. All our roasts are listed under Coffee beans.
Returns excluded
Service parts are excluded from exchange and return. They are sourced specifically for each order and cannot be resold once they have been installed or test-fitted on a machine. So before ordering, check the model, year of manufacture and serial number of your machine – or drop us a line and we will clarify the fit together. Your rights in the event of defective goods remain unaffected.
Frequently asked questions
What exactly is this clip for?
It holds the PVC hose between the water tank and pump of the GS3 firmly on its connector, so the connection does not slip off and the pump does not draw in air.
What is the part number?
F.3.009. If you have a number from a service document, send it to us and we will compare it.
Can I replace it myself?
Technically, no special tools are needed. But because the clip sits inside the machine, the rule is: only work on the machine when it is switched off and disconnected from the mains – and if you are unsure, we will do it in our service.
Does the clip also fit other La Marzocco models?
We do not claim that. The item name refers to the GS3. Send us your model and serial number and we will check.
Can I see the part in your showroom?
Yes. Come to our showroom in Bern at Gerberngasse 44 or in Zurich at Hagenholzstrasse 50b, and we will show it to you on the machine.
Questions about the fit? Write to us at [email protected]. We deliver across Switzerland and to Liechtenstein in 2-4 working days.
