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Old 03-01-2008, 14:26   #1
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Installing New Seacock's (A New Photo Based How To Article)

Hi All,

I finished another photo based "how to" article/blog based on the replacement of my through-hulls and sea cocks that I completed last spring.

Take a look and let me know what changes I should make or if the instructions are clear enough for the average DIY boater.

My intent with these articles is to help the average boater save $$$. The labor time involved in this job was a lot and would have translated into a yard bill in excess of 2k if I had paid my boat yard to tackle this job.

I've had great responses, over 630 "thank you notes", on my "Re-Packing A Traditional Stuffing Box" article alone so I continue to do them to help fellow sailors in any way I can.

I hope this article helps as much as the others I've done..

Here it is:Replacing Through-Hulls and Seacocks Photo Gallery by Maine Sailing at pbase.com


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Old 03-01-2008, 18:40   #2
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Hey...is that one of those recalled Groco valves from China?
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Old 03-01-2008, 22:08   #3
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No....

No but here's a little info on those:

I called Groco & spoke with Jamie P., who is very well versed by the way, I was told that the new valves stems are indeed bronze not brass, as the recall picture on the Groco web site states, and according to Jamie that is apparently a typo. They meant brass in color not actually brass stems.

The recall of these valves was not for corrosion issues, as some have so mistakenly stated on other forums, but rather because the manufacturing factory changed spec on Groco without telling them! To top that off they then could not guarantee the quality of, or even tell what type of stainless, the stems were made of. According to Groco most of these valves went to a few OEM's most of them in Florida. My valves were made well after this recall.

They have also according to Jamie radically changed they way they QC vendors and how they QC metalurgy.

Oh, and I'd still rather have the Groco's any day than the failures I've personally had with Marelon.

This failure (photo below) is of a catastrophic nature because the handle actually holds the o-rings in place so when it breaks off, your boat starts filling with water, with nowhere to stick a wooden plug!!


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Old 03-01-2008, 22:49   #4
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Thanks a lot . This info is gold ,clear and easy to understand .
I put to my favorites .
Henryk
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Old 04-01-2008, 04:12   #5
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Nice write up. It is good to see Groco has gotten away from the round hole pattern. It was a pain trying to bolt the seacock to the hull because there was very little clearance, at least for my big fat fingers.

Marlon is not a favorite here either, we have had them break off, they seem to get sticky no matter what you do.
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Old 04-01-2008, 12:09   #6
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About Marelon.

Is there an easy way to lubricate them occasionally other than a haulout?

Thanks for the great article.

JohnL
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Old 04-01-2008, 13:00   #7
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Thanks for the good info. That Marelon breaking off is some scary stuff!
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Old 04-01-2008, 16:25   #8
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Originally Posted by SkiprJohn View Post
About Marelon.

Is there an easy way to lubricate them occasionally other than a haulout?

Thanks for the great article.

JohnL

I did some research awhile ago on Marelon after my friend was snapping off pieces of his Marelon seacocks.

Forespar: Marine Products that Perform

Get wet once, put a cap with a string on outside of through hull to maintain valve.

Forespar: Marine Products that Perform

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