Rather than plumb in a couple of check valves or another thru hull, why don't you just get a small automatic pump and pump the forward bilge into the rear bilge. Let the big bilge pump do all the heavy lifting..
Robbie C&C 40 Sent from my iPad > On Apr 14, 2016, at 6:37 PM, cnc-list-requ...@cnc-list.com wrote: > > Stus-List Additional forward bilge pump _______________________________________________ This list is supported by the generous donations of our members. If you like what we do, please help us pay for our costs by donating. All Contributions are greatly appreciated!