I recently installed a small Shurflo pump as described in this article A dry bilge for $50. I modified it by using a simple on/off dc switch since I did not need constant pump cycling. It works great in my 5’ deep bilge. I also have a sump box to which I have plumbed all the water sources like ac, refrig,shower. It’s pumped out by a whale gusher. The small sea flow pumps into this same box which evacuates its product. My bilge water comes primarily from rain water down the keel stepped mast which leaks past the limber hole hose to the sump box. The vac is retired!