Mechanical valve (ECAM) for DeLonghi PrimaDonna S De Luxe coffee machines

What is a mechanical valve and what is it for

A mechanical valve controls the flow of water or steam in the coffee machine's circuit. It opens and closes the path for the liquid at a precise moment, ensuring the correct pressure when brewing coffee, frothing milk, or dispensing hot water. Its tight and reliable operation is essential for the stable running of the whole appliance.

How to spot wear

A worn or damaged valve will show itself through water or steam leaking outside the normal path, fluctuating pressure, unusual hissing or knocking sounds, or an error message on the display. The coffee may taste uneven or have weaker foam because the pressure in the system is not stable.

Why replace the valve in time

A leaking or stuck valve puts strain on other parts of the circuit, can cause overheating or damage to the pump, and ultimately shortens the lifespan of the whole coffee machine. Timely replacement prevents bigger and more costly repairs.

How to choose the right part

• Check compatibility with your model in the product's compatibility table.
• During installation, make sure the new valve fits exactly in place of the original part.
• If you are unsure of the cause of the fault, have the diagnosis confirmed by a service technician.

Compatible with

• ECAM26.455.B PrimaDonna S De Luxe
• ECAM26.455.BLB PrimaDonna S De Luxe
• ECAM26.455.BWB PrimaDonna S De Luxe
• ECAM26.455.C PrimaDonna S De Luxe
• ECAM26.455.GRB PrimaDonna S De Luxe
• ECAM26.455.GYB PrimaDonna S De Luxe
• ECAM26.455.M PRIMADONNA S DELUX
• ECAM26.455.MB PrimaDonna S De Luxe