Replacing scupper drain hoses. - SailNet Community
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post #1 of 5 Old 07-11-2011 Thread Starter
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Replacing scupper drain hoses.

I recently inspected the two mid-deck scoupper drain hoses on my PS-37. When I squeezed them they felt "crackly" and dry so I plan to replace them in the next week or two.

There both fairly inaccessible...especially the one near the nav table.

Any suggestions that might make this job easier?


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post #2 of 5 Old 08-20-2011
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I also have replacing my cockpit drain hoses on my to do list and I have been procrastinating while I try to find the right way (the easy way) to do this on my PS-37. These darn hoses are short, have tight bends and there is not a lot of room to work under the cockpit or in the lazarette. Id be interested in hearing how you made out and what lessons learned that you might be able to pass on to the rest of us.

Waiting for cooler weather in Louisiana..
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post #3 of 5 Old 08-20-2011
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I have the same issue. I need the hose to be flexible as well as durable. The ball valve is only about 1' below but the angle is offset enough to make it difficult to install a thick marine hose. I have done it, but it tweaks the scupper flange which is only being held in place with 5200.

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post #4 of 5 Old 08-22-2011
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The boatyard recently had some more flexible exhaust hose, used it when replacing mixing elbow. Sorry can't remember brand but check out some exhaust hose.

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post #5 of 5 Old 09-01-2011
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NAV Scupper Drain Replacement

My scupper hose rubbed to the point of developing a leak: every time we went offshore a puddle formed in the salon.

I replaced it. It is not impossible, but it is damn hard. I replaced it with the same super stiff exhaust hose for its durability.

To get the old hose off, I had to rip it in two, it was already torn a bit, I'd recommend a hacksaw blade. Then you can get a pair of channel locks and twist and pull to get the old one off.

The new hose is pretty tough to get on, and I think that I first put the lower end on and then, again with the channel locks, got the upper end on. Don't forget your four hose clamps before attaching the upper end of the hose.

The best part about this is that is all essentially blind. You can get to it partially from around the underneath of the nav station outboard, and partially from inside the tall locker underneath the nav. The step makes it uncomfortable and near rib breaking to lay there and crank on the hose, I put down some old blankets. Another person may be able to lay in the quarterberth and reach under the nav to help, but I ended up doing it all myself.

Starboard is much more accessible and not as bad.

Ryan Roberts
S/V ARGO - Pacific Seacraft 37 Hull No. 309
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