Ok here's the deal. I'm getting flow from my holding tank back to the head. What is up with that? Does the hand pump also work as a check valve or is there a check that has failed. I know no matter what I'm in for a pump servicing. FUN!! Anyways can anybody help me out on this one. My crew would really appreciate it. As it is now I just close the valve between the head and the tank which seems to work just fine but I shouldn't have to do that. Thanks folks. Oh one other thing. This has nothing to do with the previous subject but who better to share this with than fellow C owners. Last weekend on the bay there seem to be a lot of Hunters out. You'll be happy to know we took everyone of them regardless of size. Sorry Hunter owners. You see it's a personal thing with me and my crew since we are members of a club that has mostly all Hunters. See ya all.