Quote Originally Posted by darren.alexander View Post
So in the boomerangs there is only 1 bilge hole. were going to drill a 2nd one and put a second bilge in there.
If you mean a thru-hull on the discharge end, you don't need another hole for the second pump. You could get two check valves and a "Y" fitting. Only one pump should run at a time anyway so as long as you prevent the bilge water from going back down the other hose it will pump out.