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Old 12-24-2010, 11:20 AM   #1
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cosmos's Avatar
1965 17' Caravel
Birmingham , Alabama
Join Date: Oct 2007
Posts: 173
Images: 8
Fresh Water Fill Fittings

Hi folks,

I'm planning for my new fresh water tank install. It's a clean slate and the only original part being reused is the aluminum fill neck and cap. This part comes into the tank area with a 1.5 OD and at a sharp downward angle. My new tank has 1.25 OD inlet. So I have to pick hose and fittings. At the big box store, they have two types of hose: clear smooth rubber and another black rubber for pools that looks like vacuum cleaner hose. I was leaning towards the black hose for it's bendability but it may have a "hose taste".

As for fittings, I was going to cobble something up with PVC. There has to be better choices for hose fittings somewhere. Any thoughts or comments are appreciated.

Merry Christmas all,


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Old 12-24-2010, 12:16 PM   #2
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1999 34' Excella
Joshua , Texas
Join Date: Apr 2002
Posts: 548
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If this is for the water fill, you might want to get the proper hose that is approved for potable is a green and white stripe flexible hose that is usually available on-line or at RV stores...

This one place.....

History doesn't repeat itself, people do!
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Old 12-24-2010, 12:54 PM   #3
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1968 24' Tradewind
Oxford, , Mississippi
Join Date: May 2009
Posts: 1,450
I had trouble plumbing the inlet on my TW. The pipe on the trailer is 1 1/2 and the tank was 1.25. After trying several options, I bought a piece of hose at HD used for swimming pool skimmers and vacs. It fit the plastic water tank neck just right. I put a very short split in the end for the filler neck and then put the hose end in boiling water for a few minutes, ran outside and slipped in on the filler neck. Once cool I put a hose clamp on it and it works great.
Bruce & Rachel
68 Trade Wind
2001 Toyota Tundra
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Old 12-24-2010, 01:44 PM   #4
4 Rivet Member
2017 26' Flying Cloud
Missouri Valley , Iowa
Join Date: Sep 2008
Posts: 354
I replaced the fill hose on my '89 Excella w/ the green/white hose mentioned by Dwight. PO had black sump pump-looking hose that cracked. I tried the clear hose from Ace. It was too stiff. I also used PVC fittings where there was a 90* bend and double clamped. It wasn't a perfect fit, but works OK for this app. Good luck
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