Hi Josh-  I would have been worried about blowing out the lines because of the issue of whether the system can generate sufficient suction to pull water back through the system when there is nothing in the pump.  It is a water pump after all, not an air pump. I guess the answer is that it works and that is good to know.  Dave


On Nov 19, 2013, at 7:34 PM, Josh Muckley <muckl...@gmail.com> wrote:

I have a fresh water cooled Yanmar.  Has any body considered blowing the lines clear?  I actually added antifreeze last year and then blew it out with a shop-vac.  I guess I should have kinda done it the other way around.  I could have probably blown it dry and then chased it with half a gallon (or less) of antifreeze.   I have an RV friend that says he catches the antifreeze from the sinks and reuses it every year.  Any thoughts on blowing/leaving all the boat systems dry?

Anybody stay in the water through the winter?  I was thinking that the water heater might keep the cabin above freezing.  BTW I'm in the Chesapeake Bay.

Josh Muckley
S/V Sea Hawk
1989 C&C 37+
Solomons, MD



David Knecht
Aries
1990 C&C 34+
New London, CT


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