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Freshwater pump

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Magicol View Drop Down
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Joined: 16 June 2016
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Magicol Quote  Post ReplyReply Direct Link To This Post Topic: Freshwater pump
    Posted: 28 June 2022 at 16:20
The freshwater pump on my 345 has become a bit more laboured when pressurising. It has encouraged me to prepare for having to replace it. Worryingly, it is impossible to source a Jabsco like for like replacement in the UK and no suggestion this will improve soon. Has anyone replaced their pump recently? And if so, what make did you chose? How straightforward was it adapting to the existing plumbing and electrics. I also wonder how far to vary the original specification. Finally, given the location of the pump under the forward bunk, I would like any replacement to be quiet! Any advice or comments would be very welcome.
Hanse 345 #237 based on the Clyde
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Lippe View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Lippe Quote  Post ReplyReply Direct Link To This Post Posted: 05 July 2022 at 18:29
What means ”pump has been laboured”?
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Black Diamond View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Black Diamond Quote  Post ReplyReply Direct Link To This Post Posted: 06 July 2022 at 10:31
I don't know if you have room, but one of the things I did to reduce the work on the pump was to put in an accumulator tank.   This reduces the times the pump comes on, and certainly quiets the boat at night when people are sleeping.    We have fresh water flush toilets and 2 heads, so being able to use the sinks and flush without the pump coming on is a blessing.

As I recall,  normal pressure is 40psi.   I would think that ANY 12V pump that can connect to the existing hoses would work fine.  Quiet would be a factor as well as space, obviously.  Some let you set the pressure, but most default to that I think.

Personally,  on the grey water pumps and fresh water pumps,  I keep spares just in case.   I don't want to try and source the replacement while in the middle of a passage.   Same for the water witch switches.


Rick
S/V Black Diamond
Hanse 575 Build #192, Hull# 161
Newport, RI
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Magicol View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Magicol Quote  Post ReplyReply Direct Link To This Post Posted: 05 August 2022 at 21:33
Apologies for not acknowledging these posts; we have been away sailing with limited connectivity. 
First, my definition of our labouring pump is more noise and an increasing period of repressurising when taps are switched off. 
All that said, the pump has survived a great deal of use during the last three weeks and remains in place. Also, our local chandlery has now sourced a compatible pump which, as advised, we now carry in readiness for the day our existing pump fails.
Hanse 345 #237 based on the Clyde
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Martin&Rene View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Martin&Rene Quote  Post ReplyReply Direct Link To This Post Posted: 05 August 2022 at 21:55
If you have to replace the pump, then put a pump guard filter between the tank and the pump


We also occasionally use a small 12v submersible pump to "hoover" up any sediment in the water tank.

Martin&Rene Hanse 341 Dipper Wheel steering, 3 cabin layout, normally based in Scotland
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Magicol View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Magicol Quote  Post ReplyReply Direct Link To This Post Posted: 05 August 2022 at 22:38
Thank you for these links; the pump guard filter is an excellent idea. I have just ordered one!
The submersible pump is also a very useful addition to the kit we carry. Great suggestions, much appreciated.
Hanse 345 #237 based on the Clyde
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CrocDundee View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote CrocDundee Quote  Post ReplyReply Direct Link To This Post Posted: 9 hours 54 minutes ago at 13:24
I probably learnt this here somewhere, but a long plastic tube inserted into a rubber plug and sealed into the shower drain, makes a great device for hoovering up water. Works well for the condensation we get building up under the rear bunks, and a recent "hose came off a the sink tap" incident. 

Hanse 345 - Tenacious. Sailing on the Solent and now to the west coast of Scotland.
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