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I am finding water migrating from the aft area through the limber hole into the center bilge area. See picture. I have encountered the leaking aft water tank and change out that tank previously. I do not believe it is the aft shower drain either. I am open to other ideas.

Sam

s/v Longhawk

B43 2008 hull #9

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We had the rear AC condensation pump fail and then it used the gravity drain which exits behind the engine and comes thru those limber holes. Keep us posted

Like Peter we too had the rear AC condensation pump fail. It took quite some time to find as I never saw any condensation in the pan beneath the unit. Somehow it was missing the pan and dripping into the bilge and through the limber holes. Rather than replace the condensation pump, which have a high failure rate, I re-plumbed the drain tube into a large plastic bottle I fixed in the bilge below the AC unit. I then ran a tube from the bottle to a venturi device that I installed in the discharge hose just before it exits the hull. While I bought all the parts separately Mermaid makes a kit that has everything you need.

Good luck

Mike

October Moon 

https://www.mmair.com/marine-division/accessories/mermaid-condensator/

Thanks guys for your ideas. I have previously addressed the rear AC condensate. I determined that this was a water heater leak . The fitting where the engine coolant enters the hot water heater was leaking when the temperature raised upon motoring after a while. It was leaking fresh water, not engine coolant.It seems to be a pressed metal fit and not welded there. I changed the water heater. This one lasted 6 years.

Sam

I had our tank leak but on the coolant side and like you I replaced the entire tank. I had to replace the anti scald valve as that was part of the leak. The new valve , which is adjustable, now lets us have hot water for showers, etc in 20-30 mins versus and hour or better for marginally warm water. Apparently the original valve was faulty from the beginning.

Mike

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Peter Obetz replied to Christopher Gaver's discussion Single bilge pump and standing water in engine compartment in the group Beneteau 40 & 43
"for what is worth, just make sure that the antifreeze you are seeing is from a spill with winerization process.  I noticed some in the same place on our 2008.  I chalked it up to possibly overfilling the antifreeze, however it occurred…"
Monday
Christopher Gaver replied to Christopher Gaver's discussion Single bilge pump and standing water in engine compartment in the group Beneteau 40 & 43
"Bruce/Mike - thank you very much for the responses... I needed a 'reason' for the lack of the bilge pump and what you said makes complete sense.  This should take some of the urgency out of the surveyor's…"
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Anthony Luke Nelson updated their profile
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Mike Brown replied to Christopher Gaver's discussion Single bilge pump and standing water in engine compartment in the group Beneteau 40 & 43
"Chris, the 43 is a great boat and I'm sure you'll enjoy it should you finalize the purchase. As you took notice of the sump below the engine does not drain to the bilge. My understanding is that it's designed that way so as to prevent…"
Monday
Bruce Bogdanoff replied to Christopher Gaver's discussion Single bilge pump and standing water in engine compartment in the group Beneteau 40 & 43
"The boat has two bilge pumps, one electric and one manual. On my 40, I replaced the original pump with a Rule 2000 and a check valve. The original pump would always lose its prime. The engine bilge does not drain into the main bilge in case of an…"
Monday
Christopher Gaver added a discussion to the group Beneteau 40 & 43
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Single bilge pump and standing water in engine compartment

I'm brand new to this group and almost a new owner of a 2008 Beneteau 43.  I have spent time reading nearly every discussion and post in this group in preparation for making the offer and understanding the boat.  It is clear that this group is extremely knowledgeable and willing to help.  I hope I don't overstay my welcome with questions...Here is my first one and it came up during the pre-purchase survey.  The boat had antifreeze (winterization/pink) in the bilge beneath the engine and then it…See More
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Beneteau 40 & 43

A place to exchange thoughts, ideas and discussions about the Beneteau/Oceanis 40 and 43 models.
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