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  #1  
Old 03-29-2012
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Bilge pump question

Seeing as our friends at Defender are having a nice sale right now, perfect timing for me. I need to put an automatic bilge pump in my boat. Being on a mooring makes that very high on the list. So here is my question, do I get one that requires a float switch or one of the electric filed sensor ones. Money-wise it would be cheaper to go with the regular pump and float switch, about half the cost, but I am wondering if there is a possible issue with the float getting stuck. Anyone have experience with the sensor ones? Any preferences?

Thanks!

Dan (CB)
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Old 03-29-2012
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re: Bilge pump question

The sensors go bad from time to time but they don't get stuck because of gunk in your bilge. If I were getting a float switch I would make sure it could be replaced separate from the pump.
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Old 03-29-2012
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re: Bilge pump question

I have used both types, I had one of the auto sense units in a small whaler for about 3yrs the boat was always dry. The float switches will go bad also. The auto sense units require less space in the bilge. Just put one last fall in a 36 Pearson because we couldn't get one with a float with the same high gpm volume. They cycle about every 2 or 3 min for about 2sec.
Peter
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Old 03-29-2012
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re: Bilge pump question

Hey,

Is your bilge typically wet or dry? On my boat, the bilge is usually dry. I believe the the electric sensors work by running the pump every few minutes for a few seconds. I didn't want that since my bilge is (or should be) dry. I went with a standard switch and I haven't had any problems. I do test the switch and pump every now and then.

Barry
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Old 03-29-2012
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re: Bilge pump question

have had both in both my boats--automatic and float switches--- the float switches need to be replaced frequently--yr or 2, and the fully automatic one was 7 yrs or mote before replacement. i like both just in case, but the float switch kind need monitoring ..
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Old 03-29-2012
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re: Bilge pump question

You may wish to search this forum posts for "34875". This is the part number for a Par Hydro Air pneumatic pump sensor by Jabsco. I know I've referrred to it in the past. This is a simple automatic sensor that has no electronic or moving parts in the bilge. It works by pneumatic pressure from the rising water. Mine has worked without replacement or repair for 24 years. There are few pieces of equipment this simple and reliable. Take care and joy, Aythya crew

Last edited by CaptainForce; 03-29-2012 at 04:22 PM.
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Old 03-29-2012
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Re: Bilge pump question

I did not know that the 'no float' pumps worked by cycling the pump every few minutes to see if there is water. I will also be on a mooring with solar cells to keep my battery topped up, so that kind of system wouldn't be for me. When the time comes, I'll go for a float sensor.

No auto pump this year. I'll have to make sure I visit the boat at least twice a week. I'll want the auto if I start to travel again; it will provide 'peace of mind' if I'm away for several weeks.

Ken
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Re: Bilge pump question

This is an automatic that has an electrical field sensor so it doesn't cycle. It is the one I was thinking of getting. LINK @ Defender Now I have figured out that my bilge is actually two "compartments" so I would need two pumps. One for each side. Now I am wondering if I can run their outlets to one thru-hull or if they should each have their own thru-hull which, makes a lot of sense.....
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Old 03-29-2012
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Re: Bilge pump question

How are the 2 compartments arranged? Could a limber hole connect them?
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Old 03-29-2012
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Re: Bilge pump question

Ultra Safety Systems Ultimate Bilge Pump SwitchTEF-GEL - Ultra safety systems - Home page
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