Join Date: Apr 2008
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You should have a valve on your actual pump, avoiding last drop (or bucket, depending the lenght of your hose) backing to the bildge. Think like water will flow mostly to where pose less resistance, so, with both pump valved, that should be enough to avoid closed re-circulating. Not sure about ABYC standards, but I'd open another dedicated exit ....
Beneteau Oceanis 43
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