Originally Posted by
aerolland
Non reversible for sure. Will have one large pump and manifold to fill each bag and each bag will have individual smaller pump to drain. Try to fill until that bag pukes over the side as stated before, or if you're no longer on the water, use your garden hose to fill the drain tube from the outside port on the hull. That will help prime the drain pump as well. If the drain pump is indeed working you are fighting an air lock which is very common with aerator style pumps.
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