Viking Series 3000 windows

A quick learner from California says:
Need entire channel balance assembly.
23" long
The number stamped on them is: 2290 EA I.S.I 25

These are the first of many windows that we are going to have to replace the parts for. What would be your part number for is one?

Many thanks.

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Tom from SWISCO responded:
I'm afraid I cannot determine what you have based on this information alone. I recommend that you look at our Channel Balance Home Page and follow the steps in order to find the Series that best matches what you have.
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