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Seacock Replacement

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Mike2145 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mike2145 Quote  Post ReplyReply Direct Link To This Post Topic: Seacock Replacement
    Posted: 21 March 2017 at 17:17

After all the horror stories about brass seacocks I decided to replace them this year as the boat is now 10 yeas old.  The heads outlet was replaced a couple of years ago with a Blakes.

 

No visible pink discolouration was visible on the through hulls form the outside of the boat after scraping and filing.

 

After removal there was only a very slight amount of dezincification on one of the 3 seacocks.  The heads inlet under the sink.  I cut through all the parts for inspection. The pink colour was ‘just’ visible where the salt water touched the inside of the through hull.  The valve, elbows and hose tails were all in good condition with the exception of the chrome ball in the valves that was showing signs of corrosion.

 

I can see no ‘CR’ markings on any of the old parts so I assume they plain brass.


I dont think the boat would have sunk in the near future.  

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Graham342 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Graham342 Quote  Post ReplyReply Direct Link To This Post Posted: 21 March 2017 at 18:34
Hi Mike

That's worth knowing, what model and year do you have.
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JUTTER View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote JUTTER Quote  Post ReplyReply Direct Link To This Post Posted: 21 March 2017 at 20:41
Hi Mike,

Thanks for sharing that information.
I was alarmed by the the multiple stories and advices, not only on this forum, but also in respected magazines. As was unsure about the plain brass or CR brass composition of Jutters' seacocks ( no visible marks)  I plan(ned?) the replacement of the seacocks for next season. 
Your findings are somehow putting me a bit more at ease about this.
I join the question of Graham342: what model and from what year is your boat? And has she been al the time in salt water?

Claude

JUTTER, Hanse 350, 2010, deep keel, Zeeland
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Mike2145 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mike2145 Quote  Post ReplyReply Direct Link To This Post Posted: 21 March 2017 at 21:31
It's a 2007 320.
I think that boats of this era had brass fittings.
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Graham342 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Graham342 Quote  Post ReplyReply Direct Link To This Post Posted: 21 March 2017 at 21:37
Hi Mike

Thanks for confirming it's a 2007, the same as my 342.
I haven't changed any of mine yet and they look ok from the outside, I wonder what they are actually made of, I shall have a closer look when I am next on the boat.

Thanks
Graham
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Sea-U View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Sea-U Quote  Post ReplyReply Direct Link To This Post Posted: 22 March 2017 at 09:05
When I changed mine last year, the piece in the hose from the toilet was all gone. Just pure luck it had not fallen apart. 
Else the seacocks was reddish over half through. I would have changed NOW!


Edited by Sea-U - 22 March 2017 at 12:55
Sea-U is a 370e #532 located SW Norway
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Blaven View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Blaven Quote  Post ReplyReply Direct Link To This Post Posted: 22 March 2017 at 10:55
I changed the holding tank through hull completely in 1 1/2 inch Trudesign just last week

I had previously changed the ball valve and horsetail in DZR five years ago but was concerned that I could see corrosion where it joined the existing elbow
The through hole fitting was fine but the elbow quite pink in colour

370e. 2007

Keith
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Brufan View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brufan Quote  Post ReplyReply Direct Link To This Post Posted: 22 March 2017 at 11:14
I have swaped 3 original underwater through hull for truDesign when the yacht was only 3 years old.
They were already 'pink' and orignal one valve was complletely useless.
I still have two original through hull just above waterline (shower & sink output).  They turn pink.  I plan to swap them next year.
Bruno

hanse 355 - 57

S/Y Spicy Ginger

White hull, 2 cabins, Volvo D1-30, Selden rig, removable mainsheet track system (modifications done now), Simrad-Jefa autopilot.
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Mike2145 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mike2145 Quote  Post ReplyReply Direct Link To This Post Posted: 22 March 2017 at 11:37
Its interesting how different the experiences are.


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Mike2145 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mike2145 Quote  Post ReplyReply Direct Link To This Post Posted: 06 April 2017 at 11:46
Originally posted by Graham342 Graham342 wrote:

Hi Mike

That's worth knowing, what model and year do you have.

Its a 2007 320.  
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