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post #5 of Old 08-30-2012
Maine Sail
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Re: Bilge Pumps Won't Suck

Originally Posted by vtsailguy View Post
I had a bilge pump that wouldn't seem to "prime" and start sucking unless I waggled it about.

I replaced it with a new bigger one and seem to have the same problem. Even when there are a few inches, well above the impeller, it won't prime and suck.

The height to the hull outlet seems ok. Any ideas?
Get rid of the in-line check valve, which will cause exactly what you are seeing....

-Maine Sail / CS-36T

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