Originally Posted by spencerwm
The front bag was in the ski locker and weighed anywhere from 350 to 400 lbs. when full. The fill pump was screwed directly into the ball valve and the drain pump was right behind the ski locker with a short section of hose into the bottom port on the bag. There was a third vent hose on the top of the bag. The placement of the drain pump is not a huge deal. You can use the Attwood Tsunami 800 ballast pumps for both. I would suggest either the Fly High Tube Sac or Fly High Rear Seat/Center Locker Sac to use as a replacement.
The ball valve is not there. I have two brass handle plugs at the rear of the locker. Is one of those where the ball valve should be threaded, then the fill pump installed? There is also only one hole for the drain / vent. There is a Y adapter so one suggested it is probably used as both drain / vent and to just put a check valve on the vent hose?