Water in Aft Cabin Hatch

[Two Rivers Bob]

I have a 2004 Sundancer 390 and have water accumulating in the hatch (pictured) that is in front of the aft pullout bed area. There are two entries and I found water is lightly trickling in from the port side hole (pictured). I have looked at owners manual and parts manual and cannot find what might be feeding this leak? Water Heater? Fresh Water Tank?
Would appreciate any thoughts or knowledge on this so that I know where to turn next. Thanks all!

 

[Brite Idea]

Usually the portlights are suspect when they leak it runs down the inside of the hull into the bilge. My last boat I had to re-bed the window in the head but some can be fixed by tightening the little plastic screws that are in the latch that secures the window. Have someone spray the windows with a hose and see if that's your source then move on to stanchions then hardware. It's a process of elimination.

 

[bbwhitejr]

Not sure of your freshwater connections, but the 1/2" female connectors with brass clamps start to drip over time. Might also check all of them.

Bennett

 

[Two Rivers Bob]

Usually the portlights are suspect when they leak it runs down the inside of the hull into the bilge. My last boat I had to re-bed the window in the head but some can be fixed by tightening the little plastic screws that are in the latch that secures the window. Have someone spray the windows with a hose and see if that's your source then move on to stanchions then hardware. It's a process of elimination.

Thanks for the input. I will check in that fashion. Much appreciated!

 

[Two Rivers Bob]

Not sure of your freshwater connections, but the 1/2" female connectors with brass clamps start to drip over time. Might also check all of them.

Bennett

Yes, there are a number coming into the area just aft of the hatch and it may require checking each or changing hoses. That you for the input, most appreciated.

 

[Ed Bacon]

If outside air temperature and/or water temperatures are low, condensation from the topsides, deck fittings and from below the water line can be a major problem. I live aboard year round and when warmer temperatures arrive this summer, my bilges will be dry.

 

[todd choops]

I've had the the same problem with my 05 390 every year when it first goes into the water when the water is cold and haven't figured it out but eventually stops on its own

 

[Ed Bacon]

Todd:

Misery loves company.
The topsides interior needs insulation, particularly the lower portion which is under the waterline. Check the condensation outboard of the 390 hot water heater and water manifold and outboard of the port aft cabin cabinets and closet.
The deck fittings need to be re-bedded and their bolts and nuts insulated below the deck without starving the stainless of oxygen. Don't have an answer for the starvation.
The engine room intakes have to be covered. I use Reflectix and Velcro on these and the blower exhausts to stop the cold air from cascading into the engine room. Covers can be removed and replaced for engine runs.
The engine exhausts, generator exhaust, and A/C thruhulls are plugged with removable closed cell foam plugs.
I also insulate the transom shower, the dockwater fitting and the Glendinning Cablemaster inlet.
The fresh water pump area (condensation from the transom boarding steps) and transom water tank are next on my list.
We'll never be able to fully insulate our 390s. The minimal cabinetry and bulkheads allow too many places where cold air and warm air can meet and some of the places are inaccessible.