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Water to flush the head

Discussion in 'Catalina 310' started by Lisa, Nov 22, 2017. Add this thread to a FAQ

  1. JK_Boston_Catalina310

    JK_Boston_Catalina310

    Joined Nov 18, 2010
    1,956 posts, 81 likes
    Catalina 310
    US Hingham, MA
    We do that. I have a gallon jug. I collect the first gallon or two from the water maker run, clean but not drinkable. Then we use that water to fill the bowl before doing that business.
     


  2. KZW

    KZW

    Joined May 17, 2014
    550 posts, 36 likes
    Catalina 310 #307
    US Bluewater Bay, FL
    This is the T under my sink. It is similar to Jesse's. The white line goes to the head raw water intake. The black line comes down from the sink. Close the seacock. Put water in the sink. Flush the head wet until the sink is empty, then flush dry to push everything into the holding tank. No connection to fresh water tank or lines. If I can do it, anyone can. I was once told I should never use tools without supervision.
     

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  3. Lisa

    Lisa

    Joined Oct 12, 2017
    71 posts, 19 likes
    Catalina 310
    323 US Middle River, Md
    I did this on Saturday. Boat is on the hard so I didn't get a chance to try it, but I think it will accomplish my intended goal and it only cost a few dollars. The hardest part was getting the hose to make the bend up into the vanity. I was going to re-purpose the Tee that the head intake and shower/fridge sump shared, but it was a tee with three threaded fittings, opted for a one piece barbed tee. West marine only had plastic, but the guy said it was suitable for below waterline.

    Thanks for the tips, sure was easier than adding a second water tank ;-)

    Mike
     


  4. marchem

    marchem

    Joined Nov 16, 2012
    616 posts, 60 likes
    Catalina 310, 2000, #31
    US Santa Cruz
    One of the biggest bang for the buck jobs I've ever done on a boat.
     


  5. Ron20324

    Ron20324

    Joined Jan 22, 2008
    6,190 posts, 571 likes
    Beneteau 323
    US Annapolis MD
    [QUOTE="Lisa, post: 1420573, member: 139532..., but the guy said it was suitable for below waterline. Thanks for the tips, sure was easier than adding a second water tank ;-) Mike[/QUOTE]

    I think plastic below the waterline is not a good idea. You CAN find metal tees- hardware store or Home Depot IIRC. I just used one for the tempering valve. I think that bend in the drain will slow or not allow normal drainage. My drain goes 2' downhill to the seacock, and it takes almost a full sink of water to overcome the bay water resistance. my 2 cents.
     


  6. Peggie Hall HeadMistress

    Peggie Hall HeadMistress

    Joined Dec 2, 1997
    6,858 posts, 522 likes
    - -
    US LIttle Rock
    Unless it's gray water, why are you flushing sink water out the thru-hull instead of flushing it through the toilet?
     


  7. KZW

    KZW

    Joined May 17, 2014
    550 posts, 36 likes
    Catalina 310 #307
    US Bluewater Bay, FL
    I didn't think it a good idea to put soap, detergent, or anything else that might end up in the sink into the holding tank. I thought I read that somewhere.

    In regard to emptying the sink via the seacock: No issues on my boat, works just fine.
     


  8. Peggie Hall HeadMistress

    Peggie Hall HeadMistress

    Joined Dec 2, 1997
    6,858 posts, 522 likes
    - -
    US LIttle Rock
    You did...at least one of the dozen or more times I've posted it. :D Which is why I said "Unless it's gray water..."
     


  9. KZW

    KZW

    Joined May 17, 2014
    550 posts, 36 likes
    Catalina 310 #307
    US Bluewater Bay, FL
    Thank you Peggy. Everyone who has a head on their boat should have a copy of your book (and read it). I keep mine handy
     


    Alansails likes this.
  10. Peggie Hall HeadMistress

    Peggie Hall HeadMistress

    Joined Dec 2, 1997
    6,858 posts, 522 likes
    - -
    US LIttle Rock
    I can't argue with that! :)
     


  11. CTS

    CTS

    Joined Dec 5, 2017
    30 posts, 11 likes
    Catalina 27
    us pa
    Finally got to use this set up while on our day sail today, worked great. Thanks
     


  12. Peggie Hall HeadMistress

    Peggie Hall HeadMistress

    Joined Dec 2, 1997
    6,858 posts, 522 likes
    - -
    US LIttle Rock
  13. peter_ms

    peter_ms

    Joined Jan 22, 2008
    213 posts, 0 likes
    Catalina 310 #147
    CA Oakville Yacht Squadron
    My 84 C27 was plumbed with the dual purpose sink drain.
    We just use the shower head. Even Lake Ontario Water gets rank in the hoses.
     



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