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post #1 of 5 Old 11-27-2019 Thread Starter
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Islander 30 MKII - Water Deck Fill Install

Hey Guys/Gals,

Anyone have any experience with installing a fresh water deck fill in the Islander 30 MKII?
I am thinking of putting a deck fill directly above the small starboard hanging locker near the V-berth, 1.5" clear tubing would go from deck, down through the top of the hanging locker, then through the wall of hanging locker into the starboard cubby and through the opposite wall of cubby which is back to back with the fiberglass molded water tank using a plastic thru hull.

It seems simple in nature but if others have done the same and run into any issues or if others have any tips/suggestions, Id love to hear it.
The tank is only around 20-25 gallons but bringing the house in through the head port light and having to lift up the V-berth mattress is just becoming annoying.

Also wondering if adding the thru hull at the water tank should be located at the top as id guess, but if put in the bottom of the tank, Id be able to look in the hanging locker or cubby to check my water level. If doing this, id seem there would be some mild pressure issues as filling would need to be done at a slower rate as opposed to installing the fill as close to the top which would have 0 resistance comparatively on the water being put into the tank.
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Re: Islander 30 MKII - Water Deck Fill Install

Think about venting.
That heavy tubing is very stiff and can be a bear to route
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Red face Re: Islander 30 MKII - Water Deck Fill Install

Quote:
Originally Posted by RegisteredUser View Post
Think about venting.
Venting is not an issue as the tank already has a vent tube leading up though the bow in chain locker.

Quote:
Originally Posted by RegisteredUser View Post
That heavy tubing is very stiff and can be a bear to route
True. I'm thinking I might be able to break out the heat gun to help with any bending needs (careful to not thin out any sections with too much heat that would cause issues later) or just have some 45/90 degree bends in places that need a quick turn. It should only be about 4-5 ft total so it shouldn't be too bad I hope.


Anyone have any suggestions on if this route with the tubing is most efficient/best overall? Am hoping to hear back from anyone who has done a similar task.[/PHP][/PHP]
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Re: Islander 30 MKII - Water Deck Fill Install

Bribe somebody to help when you do the big tubing.
1 pushing and 1 pulling at same time.
Water soluble lube might be needed to get the ends on the fittings.
Think ky type of stuff.
I can imgine with such a short length possibly needing to mostly push the deck fill fitting on before it is secured down.
I would cut the final deck fill end length last
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post #5 of 5 Old 01-13-2020 Thread Starter
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Re: Islander 30 MKII - Water Deck Fill Install

Hey All,

Thanks for all the advice. Just finished the project last weekend.

Notes: I went with Starboard side fill just out the head porthole, slightly aft. Hose went from the top right hand corner of V-berth tank, through the small under v-birth cubby, then through the small hanging locker, into the behind head cabinet, up through the small cubby behind head counter, and finally up through the deck inside this small cubby. The job was a medium effort job in my book with the tubing being the hardest part. Did it solo and although the hardest part, it still went smooth using 2" hole saw for tube to fit through. Just went inch by inch using about 7ft total of 1.5" ID low pressure vinyl tubing. I wanted to stay away a few inches from the boat hull as the bulkheads are all fiber-glassed to the hull and so I didn't want to alter the integrity of those joints. Pictures to come if i remember after the boat gets cleaned up.

Noticeable mentions: there seems to be a waste of space under/between the v-berth fresh water fiberglass tank (built in via fiberglass mold, not external) and actual hull of sailboat. After cutting into the cubby next to the tank, i could see about 3-6 inches of gap between the hull and tank fiberglass. Seems to me the tank could have been made much bigger using the rest of the empty space all the way around as the boat only has around 20-25 gallon tank. Maybe a larger project would be cut out the mold and design a custom water tank that fits the whole compartment better/efficiently. There might be a reason for this gap, outside of insulation as air is horrible at insulating when not in vacuum. If you know why, let me know as I'm very intrigued as to why so much space was left unused and not accessible.

Last edited by Islander30Jo; 01-13-2020 at 06:34 PM.
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