If I May Make A Suggestion While You Have The Back Opened Up I Would Look Into Installing A Second Bilge(this One A Automatic One) Can Get Them At Wally World,,they Are Cheap And I Have Had In The Past Seen A Time That It Save Me From A Issue When I Had Parked The Boat In A Marina And A Storm Came Through,,2 Other Boats Sank Right There In The Boat Slips Due To Haveing Only A Manual Bilge,(OWNER NOT AROUND)also It Will Aelrt You To A Small Issue As Forgeting To Put The Plug In Very Fast,,,,(this Saves On The Key Stone Cop Routine At The Ramp!),,,jmo