Seacocks??

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Dennis Kitchen

Dennis Kitchen

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Jun 4, 2004
392
Hunter 31 and 25 and fomerly 23.5 Stockton State Park Marina; MO
I know from reading these forums that most of you Cherubini owners are well schooled on your boats but thought I'd post just in case...

I am rebuilding a Katrina damaged H25 I bought. The thru-hull drain for the galley sink was located below the water line with no sea-cock and no access except to reach at arms length through the tiny galley cabinet door. A bad hose or connection here will sink you!
I have viewed pictures here and on other sites which seem to indicate some boats have this thru-hull above the waterline while others are below the waterline. Friends beware. In my case I am replacing the entire interior and have new bronze sea-cocks already in hand. I'll cut an access panel in my new aft bulkhead of the galley cabinets to access the sea-cock from the cockpit locker. Perhaps others should consider the same.

Regards,
Dennis
 

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Paul F

Paul F

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Jun 3, 2004
827
Hunter 1980 - 33 Bradenton
the 33 galley sink drain has a sea-cock but like your boat no easy access to it. The access is under the port seat that requires moving the table, cushions, and foldout for cabin bed to get to it, lol. The only reasonable answer is an access cut out. Just do it.
 

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Ed Schenck

Ed Schenck

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Jun 2, 2004
5,802
Hunter 37-cutter, '79 41 23' 30"N 82 33' 20"W--------Huron, OH
And nice work Dennis! The H25 is looking good.
Similar to the H37C is your galley thru-hull. But I can turn mine on/off reaching under the sink at least. That is my last gate valve. It still looks and works as new and is so large that I am reluctant to spend the money for a seacock that big.
 
sailguy40

sailguy40

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Dec 19, 2010
22
Hunter 33 New Orleans, LA
I have to replace my galley sink drain seacock. After having slow to no draining in my sink, I checked the seacock today and it was frozen. Looks like I will be getting a haul out soon. Think I will look over the other seacocks and may replace them while I am at it.
 
Stephen Trapani

Stephen Trapani

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Jun 3, 2004
298
'79 Hunter 33' HUN33190M79L Olympia
Hmm. My '79 33' port locker with the sink seacock has an easy access hatch just above the cabin sole exactly matching the other three hatches for the other three cabin settee lockers. Was this a PO modification or original I wonder?
 
DianaOfBurlington

DianaOfBurlington

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Jun 5, 2010
1,123
Hunter 25 Burlington NJ
On my H25 the galley-sink through-hull is a Marelon seacock in 3/4" size located under the adjacent locker. It's installed with a solid-fiberglass backing plate and 5200. It's not a big part (cheapest one available in Marelon actually) and there are no access issues.

The sink plumbing includes a PVC sink trap mounted longitudinally (so it will empty on either tack) and 3/4" hose from there to the seacock.

My general rule of thumb is that you should be able to shut off the seacock within ten seconds of identifying which one to shut off. That includes all time of peeling up cushions, opening access plates, moving loose gear and getting your arm into position. For this reason (if for no other) gate valves are eliminated from consideration.
 
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Blaise

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Jan 22, 2008
359
Hunter 37-cutter Bradenton
Ed, Just to let you know, I replaced that gate valve with a seacock three years ago. I was going to put a wrench on it to unscrew it, but when the wrench touched it, it shattered. I lost sleep thinking about what was keeping my boat from sinking.
 
Ed Schenck

Ed Schenck

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Jun 2, 2004
5,802
Hunter 37-cutter, '79 41 23' 30"N 82 33' 20"W--------Huron, OH
Yep, difference between the Gulf and Lake Erie. Seriously, mine is a hard and shiny bronze that looks like new. But I will still put it on my list.
 
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sandpiper10471

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May 31, 2007
773
Hunter 37 cutter Blind River
Not so bad, Ed. Just did mine to keep the insurance surveyor happy. 1 1/2 inch ball valve from the local Home Hardware store was on sale for around $25 Canadian. Down from $32 or so. Just hoping now the removal and installation didn't damage the sealant on the through hull actual. Launch coming up.
 
DianaOfBurlington

DianaOfBurlington

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Jun 5, 2010
1,123
Hunter 25 Burlington NJ
Draining sinks on both tacks

One way to ensure you have adequate drainage on both tacks is to lead the hoses and traps, those leading directly out of the sink, either aft or forward before they go sideways. This helps effluent drop below the corner of the sink basin before having to go uphill to the seacock (on one tack) which may not be located directly under the sink.

The other issue is when the crossover drains beneath double-basin sinks are too shallow before they drop to the seacock. This may not matter when you never fill up the sink. But at sea, dishes are often done in a sinkful of water, not under a running stream from the faucet, and when you pull the plug the other basin will flood through the too-shallow connecting drain before the water begins to go down. (Try it.) This can spoil clean dishes drying or fresh food draining in the other side.

Double-basin sinks should always drop individually (including the trap) down further than the greatest depth of water likely to be in the basin before being connected to the other one. Once they are connected it won't matter so long as there isn't an uphill lead to the seacock (see my first point, again).
 
DianaOfBurlington

DianaOfBurlington

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Jun 5, 2010
1,123
Hunter 25 Burlington NJ
Dennis, I had the through-hull through the side of the boat, which was egregiously ugly as well as difficult to have drain on a starboard tack. I puttied this over (what a job!) and relocated the seacock to the athwartships compartment under the sink (beside the ladder/cooler). The ABS trap leads aft and down before leading over towards the centerline so as to drain properly.

Don't put that seacock too far outboard! :naughty:
 
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