Automatic Bilge Pump Won't Shut Off - SailNet Community

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  #1  
Old 07-02-2009
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Automatic Bilge Pump Won't Shut Off

Last year I installed a small bilge pump with a built-in float switch. I also installed an auto/manual/off switch and generally left the pump in auto mode.

After a long spring that involved a rudder rebuild and assorted related problems, I launched last week. I've discovered that the bilge pump no longer reliably shuts itself off. If left on auto, it will run until it's quite hot.

The pump is a Seasense Auto 800 GPH model (manufacturers' info here).

Any suggestions on how I might diagnose the problem?
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Old 07-02-2009
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Bildge Pump

Sticky float or sticky contacts.
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Old 07-02-2009
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It's gunked up. Pull it apart and clean it.
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Old 07-02-2009
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i had several float switches fail, either wont shut off or wont run. i went the ultima electronic switch and its been fine. i just check it monthly and wipe it off, as most time i read about it not working was due to it being dirty
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Old 07-04-2009
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I agree - clean it out . bilges can get cruddy
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Old 07-06-2009
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I had the same problem twice with my Auto 500 GPH Bilge Pump
When the Auto Switch stops working, I just pull it apart and clean up the contacts. Usually lasts another 6 months before I need to clean it up again

Last edited by OceanHound; 07-06-2009 at 04:25 AM.
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