Even tbough the coach has been in the shop for.a month now for warranty issues I called thor about the fresh water issue. There is no valve accordi g to them. It appears that the pump is defective. It should only allow the water to flow out ant it seems to be the diaphram that prevents this is bad.
I reported this to my service advisor and we'll see what happens. The pump should be replaced.
I hope to get it back by xmas
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