The primary job of most bilge pumps on most boats is to clear infliction water from the bilges (https://en.wikipedia.org/wiki/Bilge_pump). A bilge pump is a key piece ...
Inside the DIY shower drain box: a bilge pump, float switch and outlet fittings for less than $25. Courtesy Roger Hughes When I bought my Down East 45, the shower in the aft stateroom's head drained ...