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Subject Topic: advise needed fresh water draining back Post Reply Post New Topic
Message posted by quillie21/4/2013 at 3:07pm
Outfit:  Ace Award+vw passat     Location:  cheshire
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Hi all for some reason my water is draining back in to my barrel so evertime i come to use the water it takes a while to come threw again, any ideas why this is happening.<img align="absmiddle" src="forum_images/smiley6.gif" width="17" alt="17">

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Message posted by G7ACU21/4/2013 at 4:13pm
Outfit:  Swift Ace Statesman & X-Trail 2.0     Location:  West Mids
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I'd suspect that you have a non-return valve fitted behind the water inlet, which has failed and causing the return flow of water.

Of the two types of water system fitted in caravans, a pressurised system would normally detect this problem and run the pump to compensate where as a system that uses micro-switches on the taps would behave similar to your description.

The non-return valve is fairly easy to locate and replace, and could look something like this:

or


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Message posted by adrian0621/4/2013 at 4:17pm
Outfit:  Watch this space!     Location:  S E Hampshire
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..or it will be a crack in the filter housing. Been there, had that!

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Adrian

Message posted by quillie21/4/2013 at 4:24pm
Outfit:  Ace Award+vw passat     Location:  cheshire
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Thanks i know what it is now, i removed the non return valve because it was leaking you only had to touch it and it would come off, ill get a new one, thank you very much 17

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Message posted by Oatcaker21/4/2013 at 8:54pm
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I had this problem. I changed the non-return valve to a spring loaded one. However, this didn't drain fully and froze. Unbelievably, it wasn't even the non-return valve that was faulty. Where the water inlet connects to the caravan is another small non-return valve and tiny cracks in one side if a sealing ring were the cause if my water draining back. So, if your attempt fail, try the little black sealing ring inside the caravan water inlet.

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Message posted by quillie23/4/2013 at 7:39pm
Outfit:  Ace Award+vw passat     Location:  cheshire
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Thanks ill look out for that, can i fit this non return valve anywere ?

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Message posted by michael23/4/2013 at 10:09pm
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Quote: Originally posted by quillie on 23/4/2013
Thanks ill look out for that, can i fit this non return valve anywere ?

you need to remove the old one from the cold water inlet and replace in the same place.i would think this is part of the design.old email from truma.


TRUMA

Park Lane, Dove Valley Park

Foston, Derbyshire, DE65 5BG

Truma Service/Technical 01283 586020

Lines open 8.30am - 5.00pm Mon - Thur, 8.30am - 1.30pm Fri

Dear Sir

The non return valve would be located somewhere on the cold feed to the boiler, the water sounds as if it is backfeeding into the aquaroll and the non return valve will need replacing.

Kind Regards


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the only silly question is the one you do not ask.


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