Soil Grade Hose/ New Sea Loo part 2

jimbouy

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Hi

I spent most of yesterday bolting down my new loo and wrestling with lengths of Odour Free Waste grade hose.

I wondered if anyone else has used this stuff and how you got on with it.

I found it was just about possible to get it on to the spigots on the loo. The Anti syphon bends slipped in no problem.

BUT getting it on to my blakes sea cocks is an impossability, made worse by the sea cocks being imperial and the hose metric.

So I thought ... I know I'll make an adaptor of sorts. Short length of re inforced PVC straight line coupling... waste grade hose. Lots of jubilee clips..

But even the nylon straight line couplings I bought won't seat all the way in to the waste grade hose as they are such a tight fit. And yes all the bits concerned were labelled as 19 mm and 38mm internal diameter respectively.

I've tried warming the hose.. this just distorts it. Possibly because thw hose and it's lining are of differing materials.

Any comments or suggestions .



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Talbot

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KY jelly - washes of as soon as hose is used, but seems to be a slippery substance - dont know what its used for!

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Talbot

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Use the ky after dunking the end of the hose in a mug of very hot water (hence inner and outer hoses get hot), but use the ky on the bronze rather than trying to put it into the hose after getting it hot.

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jimbouy

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I have to say I used a kettle of freshly boiled water yesterday. Mind you i was getting pretty P'ed off by then so may be a fresh start another day will help.

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Robin

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Heat, heat and did I mention heat? I struggled over the years with this, sticking it (the hose I mean!) in boiling water doesn't get it soft enough and Fairy and Vaseline may work on small hoses but not on big ones (pun intended). Hot air gun CAREFULLY used (wear gloves) will work, usually.

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jimbouy

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OK. So I'll take the hot air gun as well.... at least then I can warm the sea cock as well. I'm beginning to wish I'd used "Bog" standard hose thru out. Instead of the posh stuff.

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Robin

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It really is hard work, last time I did it the seacock was in a locker so it was difficult to get a straight push onto it too and I managed to get a huge blister on my hand that then burst and bled over the hose. Then someone told me the hot air gun blown inside and outside was the only way to do it but do be careful the hose will be very hot to handle.

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dickh

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It was about 3 years ago when I did mine and I can't remember any particular problems. I have ball valves not proper Blakes seacocks so maybe thats the difference. I seem to recall the Blakes spigots are cast and not machined - therefore they are not an exact size, whereas the spigot on the ball valve was machined. I used the white no-smell hose and probably heated the end in boiling water and used vaseline on the spigot and if you twist the hose as you put it on it should go on OK, but make sure you twist it the right way so the interna wire/plastic spiral is 'unwound'. I think thats how I did it.
The seacock being imperial should not make a great deal of difference(Ø38.1 as against Ø38)

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Ships_Cat

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As Robin says a hot air gun is the way to do it.

Be careful you don't get the hose too soft or when its pushed on it will concertina against the end of the hosetail you push it onto.

John

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rich

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Get an old pan.Get the water "boiling" put the end of pipe in the boiling water, it will! go soft, i had the same problem.

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andyball

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little help now, but brands of hose do vary.

Vetus no-smell seems very flexible/slide-onnable & expensive.

No-brand no-smell from marine superstore was the very devil to fit. 2.5 hrs just to get one hose over one (admittedly very slightly oversize...) pipe. Not helped by being in a locker with very limited access short of using a saw.

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jimbouy

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Ah... well, mines from marine superstore.

May be i should consider getting some from else where to do the runs from the seacocks.

Any idea where the vetus stuff can be obtained.

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Evadne

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The other thing to remember is to warm the seacock spigot with the hot air gun as well as the hose. Otherwises it cools the hose down before you've got it on. This is also nearly impossible to do when the boat is in the water, because the bronze seacock is even colder, and you're trying to warm up the whole creek with the hot air gun. I still found it damn near impossible, though, and concertina'd at least one hose end. Fortunately trimmed enough off to get it on straightish.

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Capt_Scarlet

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I used Vetus posh hose - expensive and a complete sod to cut, as it has steel reinforcing wire added, but it did fit a blakes outlet reasonably easily.

It is supposed to be good practice to fit two hose clips on each joint - I found this made the joints part, as the second (outboard) clip eased the whole arrangement off the spigot when tightening - eventually settled for one tight clip in centre of spigot. Haven't been sunk in a sea of pooh yet.

If you use your existing hose, how about heating it and then forcing a wooden bung or similar down the pipe to flare it? In my experience, once the pipe is on all the way around then it can be wiggled on further.

PS. Someone was selling some hose on the 'For Sale' forum.


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Althorne

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What's a nice boy like you doing with knowledge about KY jelly. Good job I know you're not a preist or a school teacher otherwise I might have begun to get worried./forums/images/icons/laugh.gif /forums/images/icons/laugh.gif

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Evadne

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Instead of a wooden bung, I tried using a wine bottle (one of those almost conical Italian ones) which you can also fill with hot water. I still had best results with hot water for the pipe and a hot air gun on the spigot, with a blast of hot air on the pipe if it got stuck.

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Trevethan

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And a big D-cell maglite -- repeated dunking in hot water, then sliding hose over maglite and stretching the hose over the lamp housing helps... It looks vastly perverse though so best done below decks.....



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