How do you winterize galley sink? - SailNet Community
 
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post #1 of 7 Old 12-14-2010 Thread Starter
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How do you winterize galley sink?

I'm wintering over in the water, and I'm wondering how others tackled winterizing the galley sink, given it has no seacock and that the drainpipe will be full of raw water about half way up. I'm looking for a solution other than a worklight, as our dock frequently trips the electric circuit. Another thought was to pour vegetable oil down the drain - is more bouyant than water, so should displace water in the pipe with the oil, which doesn't "freeze" so much as thicken? Any ideas? Seems like a vulnerable thing for the boat?
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post #2 of 7 Old 12-14-2010
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Where are you located? Where you are, expected temps, fresh vs. salt water, are all going to make a big difference. In the meantime, get a seacock on the drainpipe! If it were to freeze and split, what do you plan to do while your boat is sinking?

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Why is it that clicking on this dialog box, and hitting the "post quick reply" button launch the Harry and David (advertiser) site? I hope thats not the new norm.

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Sounds like you have a stand pipe for your sink. We have a thru hull and winterize by closing the valve and putting a little of the pink stuff down the drain. I've not dealt with a stand pipe before, so maybe others with more experience will chime in. That said, given that water expands when it freezes and that if it expands it has a place to go (i.e., it would rise up the pipe), it would seem that it should be fine without any cold weather maintenance. Just like ice cubes in a tray. Other than leaving it alone or pulling the boat, I don't think you have any other options.
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post #5 of 7 Old 12-14-2010
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Why is it that clicking on this dialog box, and hitting the "post quick reply" button launch the Harry and David (advertiser) site? I hope thats not the new norm.
It has not done that for me. They are making major changes at this site to revamp and seperate the advertising from the page loads, etc. It just started yesterday. They would not intentionally make advertisers pop-up with replies.

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It has not done that for me. They are making major changes at this site to revamp and seperate the advertising from the page loads, etc. It just started yesterday. They would not intentionally make advertisers pop-up with replies.

Brian
Thanks B- It only seemed to do it on the one thread, and with the one ad, but it did pop-up overtime I clicked on something. Not doing it since that ad rotated out.

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post #7 of 7 Old 12-14-2010 Thread Starter
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I'm on the Magothy River off the Chesapeake Bay. Water is brakish. Dock has bubblers.

Definitely hear you on getting the seacock installed. I have a suspicion that there are lots of P30s wintering in the water with the same standpipe configuration, just wondering if others worry about this, and if so, what they might be doing.

Also discovered this year the risk that if you simply close seacocks and pour in antifreeze, there is still water trapped in the ball inside the seacock. If it freezes and bursts the ball, the seacock is then essentially open. Suggestion made to me was to keep seacock open, and as you are pouring antifreeze (and are sure it is going through seacock), close the seacock, so that the ball will be full of antifreeze. Or, alternatively, attach a hose to the seacock, open and then close as you blow air through it, so the ball is filled with air.

Probably being overly cautious, especially given the standpipe risk!
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