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2003 330 Coastal - Seacock Locations?

Anything related to the operation of your boat. Steering, Bilge Pumps, thru-hulls, bottom paint, etc.
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mhald
Posts: 3
Joined: Tue Aug 13, 2019 1:23 pm
Vessel Info: 2003 Wellcraft 330 Coastal
Volvo Penta diesels

Home: Pepperell, MA
Home Port: Salem,MA
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2003 330 Coastal - Seacock Locations?

Postby mhald » Thu Sep 12, 2019 2:31 pm

Can someone please tell me where I should find the various sea cocks?
The previous owner didn't know, and I cannot find it in the Owner's Manual.
I searched the web and this site, to no avail...

Thank you.
Mark Hald
Pepperell, MA
2003 330 Coastal
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Bt Doctur
Posts: 70
Joined: Mon Aug 12, 2019 6:02 pm
Vessel Info: in between vessels
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Re: 2003 330 Coastal - Seacock Locations?

Postby Bt Doctur » Thu Sep 12, 2019 8:51 pm

the 28 has then just in front of the fuel tank, the toilet under the rear cabin floor panel. If thee were never "exercised" since 2002 there most likely too tight to operate by hand.Wait until on the hard to service them in case you break one
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middleba
Posts: 2
Joined: Fri Jan 16, 2026 10:22 am
Vessel Info: 1990 Wellcraft 20 Sport - single 2020 Suzuki 150
2000 Wellcraft 330 Coastal - twin 454 MPI

Re: 2003 330 Coastal - Seacock Locations?

Postby middleba » Fri Jan 16, 2026 10:43 am

I just had my 2000 330 Coastal surveyed and was provided with this diagram in my report showing approximate locations of all thru hull fittings below the water line (which should all have a seacock). Hope this helps.
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-Capt. Andy
Newport, RI
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