I don't know what happened, but only 1/2 of my original post was posted, so here goes again. The bowl is below water level when heeling and it's filling thru the drain thru-hull. The hose is a 200PSI in a straight run(about 24")from the bottom of the basin to the thru-hull. There may be enough room to replace & reconfigure the hose to make it similar to a house-hold sink drain ("S" shapped). Would that solve the problem? Should I stay with 200PSI (seems really heavy duty and hard to form)? Should I include a vented loop? In that tight of space, would such a small "S" do what I want it to? Of course, I could just keep it closed while under-way, but I'd rather not. As usual,thank you for your thoughts.
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There are only two solutions...
No loop, anti-siphon device or convoluted plumbing can prevent water from being pushed up a hose. The only way you're gonna keep water out of the sink when heeled on that tack is by keeping the seacock closed or by keeping a plug in the sink.
No loop, anti-siphon device or convoluted plumbing can prevent water from being pushed up a hose. The only way you're gonna keep water out of the sink when heeled on that tack is by keeping the seacock closed or by keeping a plug in the sink.
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