I know this isn't a direct answer to the ice maker valve question, but more of general information. I am passing this on as I received it from others on this forum. If you will go to
https://www.thormotorcoach.com/owners/, click on the Owner Resource button, create an account with your VIN, there is all sorts of information available on your RV. Also, if you send a request to THOR with VIN, and request diagrams, they will send you all the diagrams you can possibly think of, from electrical to plumbing to heating, etc. Hope this helps.
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