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Secondary bilge pump

Printed From: myHanse.com
Category: Hints and Tips
Forum Name: 385/388
Forum Description: 385/388 Hints, Tips and News
URL: http://www.myhanse.com/forum_posts.asp?TID=9874
Printed Date: 09 December 2022 at 18:38
Software Version: Web Wiz Forums 12.01 - http://www.webwizforums.com


Topic: Secondary bilge pump
Posted By: AndyS
Subject: Secondary bilge pump
Date Posted: 29 September 2016 at 20:47
We have now had our 385 for a few months and love the boat. I was thinking about adding a secondary, back-up automatic bilge pump with an alarm. It just seems to me that having a back-up makes sense. Has anyone else done this? Our AC condensate drips into the bilge, so there is always some water that needs to be pumped out when it is hot. I am planning to put it in a spot where it would only activate should the primary pump malfunction, and I would run a separate hose out a new through hull in the stern to keep the systems completely separated.


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Andy
Moonraker
River Dunes, NC



Replies:
Posted By: silversailor
Date Posted: 29 September 2016 at 22:01
Andy, generally a second bilge pump is placed a little higher than the primary system so if the primary is unable to handle the amount of water, the second pump can assist.  I would not limit the second pump's deployment to times when the primary failed.  Rather, it should supplement the primary.  Also, when you do add a secondary, consider making the primary the secondary and  installing a significantly larger and more efficient primary.


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Silversailor
South Haven, MI USA
S/V Legacy
2010 Andrews 28


Posted By: 415 Singapore
Date Posted: 30 September 2016 at 02:15
Hi Andy, our A/C condensate drains into a small sump box with a float switch activated pump and all goes outboard. You need a non return valve as the drain point is higher than the sump box, but this works very well and keep the bilges dry.
All the best
Paul


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Paul - Night Train - 415 #136



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