Secondary bilge pump

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   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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AndyS Members Profile Send Private Message Find Members Posts Add to Buddy List Captain Joined: 14 June 2016 Location: River Dunes, NC Status: Offline Points: 195	Post Options Post Reply Quote AndyS Report Post Thanks(0) Quote Reply Topic: Secondary bilge pump 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.
	Andy Moonraker River Dunes, NC

silversailor Members Profile Send Private Message Find Members Posts Add to Buddy List Admiral Joined: 25 May 2005 Location: South Haven, MI Status: Offline Points: 1021	Post Options Post Reply Quote silversailor Report Post Thanks(0) Quote Reply 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.
	Silversailor South Haven, MI USA S/V Legacy 2010 Andrews 28

415 Singapore Members Profile Send Private Message Find Members Posts Add to Buddy List Vice Admiral Joined: 23 September 2013 Location: Singapore Status: Offline Points: 789	Post Options Post Reply Quote 415 Singapore Report Post Thanks(0) Quote Reply 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
	Paul - Night Train - 415 #136



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