Checking water system in winter

Discussion in 'Newbie Lounge - NEW' started by KevinP, Dec 5, 2019.

  1. KevinP

    KevinP New Member

    Dec 5, 2019
    Lake Lanier, GA
    2001 310 Sundancer
    5.7 Merc w/Bravo III
    First post by a newbie to larger boats.

    I just had a 310DA surveyed, but he didn't check the water system because the boat had been winterized (Lake Lanier, Georgia). I hesitate to purchase without knowing whether that system is fully functional, but I've also learned it appears to be quite the hassle to fill the system, check it, and re-winterize. Is there an easy solution?

    I should add that the boat stays in the water all year, so not sure how cold it would have to get to freeze the lines...
    Last edited: Dec 5, 2019
  2. Chris-380

    Chris-380 Well-Known Member

    Jan 20, 2019
    Pontoon Beach IL
    380 Sundancer 2000
    454 Horizon w/V drives
    it would be a little expensive, but put $100 worth of pink antifreeze and you should be able to check the basics and build pressure, test vacuflush, fresh water pump etc
  3. Skip Boyer

    Skip Boyer Active Member

    Sep 24, 2015
    North Carolina
    1998 500DA Sundancer, 1999 Maxum 2800, 1998 270 Sundancer, Oliver Hazard Perry FFG-7
    Twin Detroit 6V92TA
    PLUS 1 Spend a few bucks to purchase couple gallons of the pink stuff. Test the system and refill. 30 minutes, couple $$, piece of mind,...priceless.
  4. villain style

    villain style Well-Known Member GOLD Sponsor

    Oct 10, 2006
    Mears Point Marina Kent Island, MD
    2006 44 DA
    QSC 8.3s
    Cummins QSC 8.3s 500HO
    Offer to split the cost for a technician to de-winterize, test, and re-winterize upon successful survey results. If it doesn't work you want to renegotiate your offer with the seller to get these items fixed...
  5. Spark600

    Spark600 Active Member

    Dec 28, 2013
    Long Island NY
    2008 Sundancer with 496 SeaCore Bravo 3
    Kohler Generator
    Mercury dinghy
    496 SeaCore Bravo 3
    7 gallons pink for the water system and 2 gallons pink for the vacuflush system at maybe $ 4.00 each = $ 36.00 well worth it.
    Put 2 gallons in the water tank turn on water pump and test all faucets, shower and toilet that will check pump and all pipes, Turn off water pump and Pump 5 gallons into city water inlet and test all faucets, shower and toilet to check pipes then flush 2 gallons down toilet done.
    NOTE : The above is with the hot water heater bypassed if you want to fill the hot water heater add 6 gallons of pink to the total. This might not be a bad idea to make sure the hot water heater does not have a leak.
  6. hottoddie

    hottoddie Well-Known Member

    Jan 11, 2012
    Boston/Cape Cod
    1986 Sea Ray 390 EC
    Garmin 4212 Chartplotter
    Garmin 24 HD Radar
    Garmin 546s Plotter
    454 Crusaders
    Maybe the system already has pink anti freeze in the tank. If so all you have to do is turn on the switch and test the system.
  7. KevinP

    KevinP New Member

    Dec 5, 2019
    Lake Lanier, GA
    2001 310 Sundancer
    5.7 Merc w/Bravo III
    Thanks to all for the great tips. Sounds like a pretty easy solution.

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