I have an isi 1/2 liter cream whipper which I purchased in 2010. It has worked well until recently when the head valve began sticking open. I purchased a new head valve, but the problem remains. It has been thoroughly cleaned and also has a new lid gasket.

I tried to use it today for the first time with the new valve. When I first dispensed some cream, it seemed fine, but when I released the lever, cream continued to ooze out. The valve was not returning to the closed position. This is what it was doing with the old valve. Any suggestions?

  • Thanks again. As soon as I cleaned everything (again 🤔), the new valve is no longer sticking.
    – Dana
    Commented Mar 15, 2021 at 2:48

1 Answer 1


Have you disassembled and cleaned it? The valve comes apart. A small brush (which comes with a new whipper) can be used to clean the inside. Make sure the o-rings are clean and viable. Make sure you reassemble securely. The head needs regular cleaning for proper functioning.

  • Thanks. I'll give that a try. Not sure why the new one has the same problem, but anyway, we'll see what happens.
    – Dana
    Commented Mar 15, 2021 at 1:45

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