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travlnmannn

aerator or bilge?

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travlnmannn

I found some super cheap tsunami bilge pumps ($23 each for 3 with shipping). I've noticed they call them bilge or aerator pumps. Are these the same thing? :crazy:

Edited by travlnmannn

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Bill_AirJunky

Doesn't seem like they would be. One is of for pumping water into air. The other is for pumping air into water. Got a link we can look at?

I've replaced the bilge pump on the last couple of boats I've owned. And they were both under like $25 or $30.

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Jimmypooh

FWIW Tsunami aerator pumps are commonly used for ballast pumps. To me a bilge pump does not have a threaded inlet (must be submerged in water like a sump pump) and therefor would not work as a ballast pump unless you were only going to us it by filling bags by throwing it over the side.

dt_ATTWOOD_TSUNAMI_1200_GPH_BALLAST_PUMP.jpg

Aerator pump - Can be used as ballast pump by threading the bottom.

1362-4606-72.jpg

Bilge Pump no threaded end on the bottom, must sit in water.

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jk13

Doesn't seem like they would be. One is of for pumping water into air. The other is for pumping air into water. Got a link we can look at?

Our bass boats have aerator pumps that supply fresh water only into the tanks, not air. I think just the continuous flow of lake water keeps enough o2 coming in for the fishes. I'm sure there are aerator pumps that pump air like in a fish tank, but in a boat I believe it's water only.

There is an overflow tube that allows all the excess water out of the boat so the tanks don't fill all the way.

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travlnmannn

FWIW Tsunami aerator pumps are commonly used for ballast pumps. To me a bilge pump does not have a threaded inlet (must be submerged in water like a sump pump) and therefor would not work as a ballast pump unless you were only going to us it by filling bags by throwing it over the side.

Aerator pump - Can be used as ballast pump by threading the bottom.

Bilge Pump no threaded end on the bottom, must sit in water.

Totally agree with Jimmy on this one. Here is the thread but I think the seller actually posted wrong picture or worded his product wrong. Going to give him a call and see what he says. Just too cheap to pass up.

http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=370295728214&viewitem=&sspagename=STRK%3AMEWAX%3AIT

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Pistol Pete

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Chia

saw these 800gph tsunami's at the lake havasu wal-mart the other day. $29.99

dt_ATTWOOD_TSUNAMI_1200_GPH_BALLAST_PUMP.jpg

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