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Old 07-07-2008
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jjablonowski jjablonowski is offline
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Post ****** on 2d bilge pump

Weeks before I posted my original query, I e-mailed the tech desk at Whale pumps with the same question.

Now, after having turned my cockpit floor into an occasional foot bath, I got a reply:
"Our pumps have a non return valve inside the outlet port
so you should be fine without a backflow preventer valve."

So I could'a used the Y connector and the original transom bilgepump through-hull after all.
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