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Old 07-20-2017, 10:26 AM   #1
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Gordon B's Avatar
City: Indian River City,Fl
Country: USA
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venturi vacuum system

Hi to all,

My air conditioners drain into the bilge and I was wondering if it is feasible to hook up some sort of venturi vacuum to the a/c raw water outlets. Has anyone tried this? I would like to keep a little dryer bilge.


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Old 07-20-2017, 10:30 AM   #2
Join Date: Jun 2014
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I believe this is what you want...
We used one on our previous boat and it was slick.
Pay attention to hose routing or it will gurgle!

Marvair CR330 Condensation Removal Kit

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Old 07-21-2017, 11:32 PM   #3
City: New Orleans
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I ran my a/c condensation line to a shower sump. No water in the bilge from a/c source ever.

I have seen Venturi pumps on tankers. Quite effective but I would venture a little tiresome to get right on a small scale basis.
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Old 07-22-2017, 10:33 AM   #4
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Ditto on the shower sump approach. Because the water is relatively pure the pump lasts forever been running mine for years.
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Old 07-22-2017, 10:36 AM   #5
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You can buy a simple venturi fitting for $10 or so. Haven't hooked it up yet though. Pass through seems a little small for the volume....
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