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Forum: Plumbing Systems and Fixtures 07-10-2009, 11:23
Replies: 43
Views: 23,504
Posted By rhunton
Yes and yes. These are the valves that a number...

Yes and yes. These are the valves that a number of builders use, j-boats among them.
Forum: Plumbing Systems and Fixtures 07-10-2009, 07:36
Replies: 43
Views: 23,504
Posted By rhunton
Yes - we hauled the boat last May and replaced...

Yes - we hauled the boat last May and replaced all the through-hulls. The most seriously corroded one actually tore in two as i loosened the internal nut. In retrospect, the fitting was...
Forum: Plumbing Systems and Fixtures 15-04-2009, 13:33
Replies: 43
Views: 23,504
Posted By rhunton
Badsanta - I'm going to use the forespar...

Badsanta - I'm going to use the forespar 93-series integrated seavalves/thru hulls. Nice units, no more corrosion issues. I work the valves freqently enough for seizing to not be an issue.
...
Forum: Plumbing Systems and Fixtures 15-04-2009, 13:21
Replies: 43
Views: 23,504
Posted By rhunton
Thanks Gord. Yes, it's corroding and that's...

Thanks Gord. Yes, it's corroding and that's normally galvanic or electrolytic, but the way it's doing it is unusual. I haven't found anyone who has seen one doing this in this way before. The rate...
Forum: Plumbing Systems and Fixtures 13-04-2009, 04:16
Replies: 43
Views: 23,504
Posted By rhunton
Yes it's a factory install (except for the...

Yes it's a factory install (except for the bonding system).

No, it's nowhere near the batteries.

Fuzz built up overnight after a thorough cleaning with a wire brush. Don't know how that...
Forum: Plumbing Systems and Fixtures 12-04-2009, 11:43
Replies: 43
Views: 23,504
Posted By rhunton
Progress of sorts...

Well, after spending the weekend crawling around with a voltmeter, I've learned some things, but not sure if any are useful.

As is, there was about -12.5MA of current at -.35V between the fitting...
Forum: Plumbing Systems and Fixtures 10-04-2009, 08:45
Replies: 43
Views: 23,504
Posted By rhunton
Good suggestions all thanks. I'm a bit reluctant...

Good suggestions all thanks. I'm a bit reluctant to taste mystery substances in my bilge, strangely enough. But I may have to. Rather than brazing on studs, I will probably just replace with NST...
Forum: Plumbing Systems and Fixtures 10-04-2009, 04:39
Replies: 43
Views: 23,504
Posted By rhunton
The valve looks like stainless in the photo, but...

The valve looks like stainless in the photo, but in actuality it appears more copper-ish in reality. The flash seems to wash out much of the color. The handle is red, not yellow. And the hose...
Forum: Plumbing Systems and Fixtures 09-04-2009, 12:21
Replies: 43
Views: 23,504
Posted By rhunton
Yikes! Thru-Hull Corrosion!

Has anyone seen an accumulation on a thru-hull like this before? Causes? The valve body looks very silver in the photo, but I believe that's an artifact of the flash.

Also, Beneteau tells me...
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