[Public-List] Recommendations for replacement seacocks and thruhulls

Jonathan Bresler 262alberg30 at gmail.com
Mon Jun 17 05:33:14 PDT 2024


Might be worthwhile to measure the existing thruhulls and replace with
Groco thruhulls of the same size.

On Mon, Jun 17, 2024 at 08:20 Glenn via Public-List <
public-list at lists.alberg30.org> wrote:

> Also, very important to use bedding compound to seal the thru hull fitting
> to the hull - to prevent water intrusion.  Dolphite is the best bedding
> compound in the market. Lasts up to 50 years and never hardens or distorts
> out of shape.
>
> Sent from my iPad
>
> > On Jun 17, 2024, at 5:16 AM, Jonathan Bresler via Public-List <
> public-list at lists.alberg30.org> wrote:
> >
> > Details on thruhull installation can be found in Nigel Calder's
> *Boatowner's
> > Mechanical and Electrical Manual* starting on page 677
> > and Don Casey's *This Old Boat* page 333.
> >
> > Forn Constance #262, a non-liner boat, I've used Groco (
> > https://www.groco.net)
> > TH series (
> > https://www.groco.net/products/fittings/thru-hull-fittings/th-series)
> > thruhulls and
> > FBV series (
> > https://www.groco.net/products/valves-seacocks/flanged-valves/fbv-valves
> )
> > flanged ball valves.
> >
> > Engine intake: 1/2"
> > Engine exhaust: 1-1/4"
> > Head intake: 3/4"
> > Head discharge: 1-1/4"
> > Galley intake: 1/2"
> > Galley discharge: 1"
> >
> > Have not replaced the cockpit drains.
> >
> > Jonathan
> >
> >> On Mon, Jun 17, 2024 at 7:59 AM Pier-André Bouchard St-Amant via
> >> Public-List <public-list at lists.alberg30.org> wrote:
> >>
> >> Wade,
> >> Have a shot at this:
> >>
> >> https://en.jeandusud.com/plumbing-and-through-hull-replacements/
> >>
> >> Best,
> >>
> >> Pier, #399
> >>
> >> Le 16 juin 2024 21 h 59 min 46 s HAE, Wade Wall via Public-List <
> >> public-list at lists.alberg30.org> a écrit :
> >>> Hi all,
> >>>
> >>> I need to replace several of my thruhulls, but am very confused as to
> what
> >>> parts I need and what brand I should buy. I need to replace the cockpit
> >>> drains, the freshwater intake for the engine, and the galley thruhulls.
> >> Can
> >>> someone tell me, preferably with part numbers, what exactly I need? I
> know
> >>> this is a big ask, but even with my reading about it, I'm still
> confused
> >>> and I don't want to buy a bunch of parts that I don't actually need.
> >>>
> >>> Thanks for any help you can provide.
> >>>
> >>> Sincerely,
> >>>
> >>> Wade Wall
> >>> #421
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> >
> >
> > --
> > Jonathan M Bresler
> > S/V Constance Alberg 30 #262
> > Annapolis/Eastport MD
> > _______________________________________________
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-- 
Jonathan M Bresler
S/V Constance Alberg 30 #262
Annapolis/Eastport MD


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