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Freshwater leakage

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lobstar View Drop Down
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    Posted: 13 July 2011 at 12:59
Dear all,

I have a problem with leakage of freshwater (not salt). It ends up in the bilge under the sink. Since it is only fresh water I think it is leaking somewhere from the water pump. Has anyone experienced a similar problem and solved it? Where can I find the pump? Or what is the best way to tackle this problem?

Thnx,
Robert

PS: It is not the toilet since it is 'clean' water and it is not the shower since if we do not use it there is still leakage.
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Albatros400 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Albatros400 Quote  Post ReplyReply Direct Link To This Post Posted: 13 July 2011 at 13:08
Check all single handle faucets from the rear. They are pretty cheap. On my boat the mixing unit of the shower faucet was leaking behind the panel where it was mounted.
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Peter-Blake View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Peter-Blake Quote  Post ReplyReply Direct Link To This Post Posted: 13 July 2011 at 14:16
1. check if the pump starts acting after some time without taking water from a faucet.
2. If so than there is a leak in the watersystem.
On my boat it was several times the cockpitshower. But there are many possibilities for this.
3. If the pump does not restart without using water, than it could be rainwater aswell as condenswater from the fridge.


Edited by Peter-Blake - 13 July 2011 at 14:19
Blake 370
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graver View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote graver Quote  Post ReplyReply Direct Link To This Post Posted: 13 July 2011 at 22:15
Hi Robert,

I found my leak coming from the faucet in the forward head. Also found the deck shower head leaking. 

Rich
S/V Susie Q
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Stella*Nova Quote  Post ReplyReply Direct Link To This Post Posted: 14 July 2011 at 16:40
Shure that its freshwater? Or possibly rainwater?
 
But my first controls would be freshwater as well. Check also the warmwater boiler if there is a leak.
BR Ralf, Ex. 'a mare' H370
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lobstar View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote lobstar Quote  Post ReplyReply Direct Link To This Post Posted: 17 July 2011 at 19:35
Thnx for all suggestions above. Elimination of options brings me to the following conclusions:
- rainwater is out since it was 40 degrees hot and dry;
- shower was not used;
- don't have a forward head faucet;
- cockpitshower was not used;

Leaves: toilet, kitchen faucet or water pump in general. I emptied and dried everythingone evening and next morning was again lot of water. Only 'heavy usage' was of kitchen faucet and drainage so I assume problem has to be in pump in general or kitchen tap.

How do I get to the pump?

Kind regards,
Robert
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Peter-Blake View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Peter-Blake Quote  Post ReplyReply Direct Link To This Post Posted: 18 July 2011 at 07:28
If you use water you will hear your pump! If not, than you have a really good pump installed! In my 370 the pump is in under the shower seat in the toilet room. But i do not know if it is the same on the 400.

BTW. You wrote: cockpitshower was not used.

Did you check this shower? Mine lost a lot water without ever using it. 

BTW2: The first year i really was disappointed about this loud pump! I wanted a quieter pump. Now after more than 3 years, this loud pump saved me 2 times from flooding my boat! Both times i heared the pump starting to work without using any faucet. So i could stop the pump from working and searched for the problem.  Confused

BTW3: I always turn of the pump when i am not inside the boat and at night aswell



Edited by Peter-Blake - 18 July 2011 at 07:34
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Mica View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mica Quote  Post ReplyReply Direct Link To This Post Posted: 20 July 2011 at 01:07
I have had a similar problem. In my case it was the cockpit shower valve not being in the fully closed position, allowing a slow drip from the shower head into the bilge at the stern. As the shower head also has a valve on it, this is not always obvious.  
The area under the sink appears to be the lowest part of the boat so no matter where the leak initiates, it always seems to end up there.
 
Mike
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Rambler View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Rambler Quote  Post ReplyReply Direct Link To This Post Posted: 20 July 2011 at 22:57
I had a leak in the hose that runs from the water tank to the fresh water pump. The boat was new and the hose was probably punctured during some phase of the build. It did not leak enough to affect the pressurized fresh water system. The water would accumulate in the deepest part of the bilge under the sink. The solution was to run a new hose from the tank to the pump.

Ed
Rhode Island, USA
Hanse 400, #456
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Nikko View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Nikko Quote  Post ReplyReply Direct Link To This Post Posted: 01 August 2011 at 12:22
Hi
 
I had internal leakage from faucet in galley, also there is a pressure valve on the isotherm hotwater tank that opens when pressure is too high, on this  there are mounted a hose which leads to a bottle. otherwise the water goes directly to the bilge....   Pressure in hot water tank rises when potable water system is pressurized before the water is warm, when water is warmed up it expands and have to go somewhere.
 
I changed the faucet in galley to a proper one and are going to change the others later.
 
 
From M&R Norway
Hanse 400 `06
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