Description
De’Longhi steam and milk coupling replacement seals
This eight-piece universal O-ring kit provides replacement seals for De’Longhi steam and milk coupling assemblies. Suitable for automatic coffee machines and compatible La Specialista manual machines, it is useful for replacing worn, damaged or missing seals during repairs and general servicing.
Milk not frothing properly?
If milk delivery is spluttering or your machine is struggling to produce its usual froth, check the O-rings on the milk-carafe coupling. Missing or damaged seals can affect the connection and may contribute to poor milk-system performance.
Replacing worn seals may help restore proper operation when the seals are the cause. Clean the milk carafe, lid and coupling as part of troubleshooting, as milk residue and blockages can also affect frothing.
Compatibility
- De’Longhi automatic coffee machines with compatible steam/milk coupling assemblies
- De’Longhi La Specialista manual coffee machines with matching steam assembly seals
This universal kit includes O-rings for different machine configurations. Use the seals that match your machine’s assembly—not all eight rings are required for every model.
What’s included?
- 8 × replacement O-rings
Steam assembly and milk carafe are not included.
Useful for general servicing
Inspect the coupling seals during routine servicing and replace rings that are split, flattened, hardened or missing. Clean the sealing grooves and surrounding components before installing replacement seals.
Fitting advice
Switch off and unplug the machine, and allow it to cool before working on the assembly. Note the position of each original seal before removal. Fit the matching replacement rings without twisting or stretching them excessively.
Follow your machine’s maintenance instructions and use only lubricant suitable for the application and seal material where specified. After reassembly, check for leaks and correct steam or milk delivery.
Need help choosing the right seals?
Contact Home Coffee Machine Repairs with your model number and a clear photo of the connection for help checking suitability.







