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  1. #1
    Charter Member #139 /Moderator/Platinum Member Charter Member klaw's Avatar
    My Boats:
    1989 Cigarette Bullet cig 20 resto mod
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    Merc water pressure relief valve

    I know this topic has been long and a few guys have made there own water dump systems with the one now available from merc for about $100 has any one used these looks like a nice package

    Merc
    Water pressure relief valve
    863208a3

    I am about to buy a couple

  2. #2
    Charter Member #601 Charter Member Mr Gadgets's Avatar
    My Boats:
    1999; 28' Checkmate Convincer, 588" Dart, Procharger, MSII EFI.
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    They get $100 for that?? well I guess it is a package..
    It sounds like a good idea.. Let me know how it works our for you..

    Thanks

  3. #3
    Gold Member Gold Member ClassCig38's Avatar
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    Klaw,
    How did these work for you

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    T-Dock - CB Club

    Walk with your own Stick,
    Dance to your own Tune,
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    Fly with your own Wings!

  4. #4
    1975 X-18 Donzi, Arneson Platinum Member GEOO's Avatar
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    I'll tell you how it works in a few month's
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    GEOO

  5. #5
    Registered jaybird's Avatar
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    It would be great to know how this system works out. I have heard so many opinions on this topic it is making my head spin.

  6. #6
    Registered convincor's Avatar
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    what size are the connections on that???

  7. #7
    32' SUNSATION Platinum Member Kanookstr's Avatar
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    Offshor was one of the first to use one. He has pics of it installed on his motor. Here is his post on the same subject. I have been using the same idea for 3 years now, but that was before I new about this one. this makes it much easier.Merc P.Relief post
    It's a good thing water isn't Flammable..... It catch FIRE!!!!τΏτ

  8. #8
    Platinum Member Platinum Member johnnyboatman's Avatar
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    would it be better if it opened at 17- 20p.s.i

  9. #9
    Registered marinetrans's Avatar
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    The 2 pieces with the bolts thru it look like the poppet valve assm. off a merc v-6 outboard and probably is.

  10. #10
    RLW
    RLW is offline
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    Re: Merc water pressure relief valve

    Does anyone know the connection sizes on this part?


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