Join Date: Aug 2007
Location: Bristol, Rhode Island
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The sink drain and the head raw-water intake on my Catalina 25 share the same through-hull with a T connection.
When I want to flush fresh water into the head, I fill the sink, close the through-hull ball valve, then suck the sink dry with the head.
(Works great for pulling pink antifreeze into the head, too.)
Last edited by jjablonowski; 06-24-2010 at 04:34 PM.