What is the milk container connector
The milk container connector is a connecting part through which milk from the container or jug reaches the coffee machine's frother. It ensures a tight and smooth connection between the tube and the container so that milk is drawn in continuously and without sucking in air.
Typical signs of wear
- Milk foam is thin, unstable, or does not form at all
- The frother sucks in air and makes a loud bubbling noise
- Milk leaks or drips when the container is connected
- The container is hard to attach or sits loosely
These symptoms are usually caused by a worn or slightly damaged connection that has lost its seal. Even a small leak is enough to disturb the air-to-milk ratio, resulting in poor-quality foam.
Why replace this part in time
A damaged connector can also cause insufficient milk intake, leading to intermittent or completely non-functional frothing. Timely replacement restores reliable operation of the milk system and prevents unnecessary contamination of the coffee machine's surroundings from leaking milk.
How to choose the right part
Connectors differ in shape and mounting method depending on the specific coffee machine model, so check compatibility in the product table before purchasing.
Compatible with
- EN640.B Gran Lattissima
- EN640.W Gran Lattissima
- EN650.B Gran Lattissima
- EN650.BK Gran Lattissima
- EN650.W Gran Lattissima
| Compatible with | EN640.B Gran Lattissima, EN640.W Gran Lattissima, EN650.B Gran Lattissima, EN650.BK Gran Lattissima, EN650.W Gran Lattissima |
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DeLonghi coffee machine – not frothing milk
If your DeLonghi coffee machine is not frothing milk or produces only thin, watery foam, the cause is almost always a damaged component in the frothing system. The nozzle, milk container, or valve ensures proper air intake needed to create quality foam.
The problem usually develops gradually – first less foam, then almost none. The cause is typically milk residue buildup in the system, a worn milk container, or a clogged nozzle.
The solution is to replace the damaged component. After replacement, your coffee machine will again produce thick, creamy milk foam like new.
| Manufacturing company | De’Longhi Appliances S.r.l. |
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| Address | Via L. Galvani, 22, 31100 Treviso TV, Italy |













