Join Date: Dec 2010
Location: Arnold MD (near Annapolis)
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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!