Fresh water tank overflow

Discussion in 'The Beginner' started by paul18, Mar 17, 2015.

  1. paul18

    paul18 Funster

    Joined:
    Dec 16, 2014
    Messages:
    172
    Likes Received:
    34
    Location:
    Somerset
    My on board water tank is 60 litres, and if I overfill it water runs out of an outlet a few inches away from the drainage port. I assume this is intentional and I can do no harm by overfilling? My guage shows it as 3/4 full when its overflowing so its hard to judge! Sorry for another newbie question!
     
  2. GJH

    GJH Funster Life Member

    Joined:
    Aug 20, 2007
    Messages:
    27,238
    Likes Received:
    34,455
    Location:
    Acklam, Teesside, originally Glossop
    Water gauges are notoriously inaccurate. The overflow is most accurate of all for knowing when it's full (y)
     
    • Like Like x 3
  3. f6c

    f6c Funster

    Joined:
    Nov 7, 2010
    Messages:
    2,879
    Likes Received:
    734
    Location:
    gloucestershire
    Her Her;)
     
  4. Andy

    Andy Funster

    Joined:
    May 25, 2014
    Messages:
    631
    Likes Received:
    699
    Location:
    East Sussex
    Hey Paul, ask away, we all had to start somewhere, and I know I'm still learning loads from some of the more knowledgable Funsters on here; (y)
     
    • Like Like x 1
  5. Lenny HB

    Lenny HB Funster

    Joined:
    Oct 18, 2007
    Messages:
    5,247
    Likes Received:
    5,044
    Location:
    West Sussex
    I always fill mine until it overflows, providing the inspection cap is tight.
    Some British vans Bailey & Eldiss for a couple fit caravan style tanks and they loose over half there contents if you travel after filling them.
     
  6. camocam1

    camocam1 Read Only Funster

    Joined:
    Aug 28, 2012
    Messages:
    1,112
    Likes Received:
    784
    Location:
    Elgin,Moray,Scotland
    Have a Bailey and always full tank before I leave and not lost any water yet !!!
     
  7. Jamwitt

    Jamwitt Funster Life Member

    Joined:
    Jun 18, 2012
    Messages:
    496
    Likes Received:
    239
    Location:
    Chandlersford
    My eldiss never lost any water traveling after being filled !
     
  8. Lenny HB

    Lenny HB Funster

    Joined:
    Oct 18, 2007
    Messages:
    5,247
    Likes Received:
    5,044
    Location:
    West Sussex
    Only going on forum reports may depend on model & year.
     
  9. camocam1

    camocam1 Read Only Funster

    Joined:
    Aug 28, 2012
    Messages:
    1,112
    Likes Received:
    784
    Location:
    Elgin,Moray,Scotland
    Will keep a check anyway just out of interest
     
  10. pappajohn

    pappajohn Funster Life Member

    Joined:
    Aug 26, 2007
    Messages:
    29,466
    Likes Received:
    16,915
    Location:
    YO11 2BD
    End of Overflow tube too low in tank causing syphoning when driving.
    once water gets in the tube it will continue to flow until the end becomes free of water....cornering etc.
    shoddy workmanship when the tank plumbing was fitted.
     
  11. Reallyretired

    Reallyretired Funster

    Joined:
    Apr 27, 2008
    Messages:
    5,706
    Likes Received:
    3,211
    Location:
    Eastbourne East Sussex
    My fresh tank gauge has the opposite problem. It reads 100% when its only 3/4 full. I always fill it till it comes out of the overflow, only way I can tell its full.
     
    • Like Like x 1
  12. Big Lad

    Big Lad Funster

    Joined:
    Mar 9, 2015
    Messages:
    97
    Likes Received:
    66
    Location:
    Tamworth
    I filled mine up to the filler neck and it seemed to dribble for some time after, i got a bit worried and took a look underneath. looked as if it was coming from somewhere off the top of the tank. couldnt quite see where due to the lack of fighting room, but managed to take this picture:

    I think it actually stopped after some time, but i'll keep my eye on it.
     

    Attached Files:

  13. bertiebasset

    bertiebasset Funster

    Joined:
    Jun 16, 2014
    Messages:
    293
    Likes Received:
    288
    Location:
    NOTTINGHAM
    Paul,,, when we were selling Benimars back in the day (I worked for RDH) we had a problem with the water gauges. They were then,,, 5 probes into the water which got calcified, they read full when only 1/2 or 3/4,, we found if we put our hands in the tank with a green pad and rubbed the probes then they worked a little better after cleaning. I now have an Autocruise which I am prepping for new season,, today I filled the tank,, guess what,, shows 3/4 when water all over drive,, when sterilizer done tomorrow,, green pad to probes.. see what result is.

    :)
     
  14. ludo

    ludo Funster Life Member

    Joined:
    Jul 12, 2011
    Messages:
    358
    Likes Received:
    615
    Location:
    Lincolnshire
    1969548.jpg

    Having had a number of vans that you could fill to the filler neck, we were surprised when we bought a new Autocruise panel van conversion to find that when filling, water gushed out from all sides of the tank.

    We wrote to Swift for advice! This is what they said:

    Thank you for your email.

    The tank has castellation's as shown on the attached image, with a breather/overflow at each high point.

    Because of the multiple overflows, and the fact the tank sits in a jacket, it may appear that the water is escaping from various points around the tank. This could be described as 'normal' if a tank was overfilled.

    Yours sincerely


    Above is the drawing they sent me of the tank fitted to their range of Autocruise PVC's.

    We used to lose water whilst travelling and were concerned about lots of water laying between the tank itself and the neoprene gaffer taped jacket covering it.
     
    Last edited: Mar 18, 2015
  15. SomeoneElse

    SomeoneElse Funster

    Joined:
    Apr 22, 2013
    Messages:
    572
    Likes Received:
    375
    Location:
    Cotswolds
    We had an Elddis Autoquest and now have a Bailey MH. The Elddis did loose some water enroute but not half of it, the small analogue gauge was useless to say how much. Our Bailey reaches 100% a few seconds before the overflow starts to run. After a journey it read around 80%.
     
  16. Lenny HB

    Lenny HB Funster

    Joined:
    Oct 18, 2007
    Messages:
    5,247
    Likes Received:
    5,044
    Location:
    West Sussex
    Any manufacturer who had any common sense with a tank like that would have fitted pipes to the overflow points so that the jacket did not fill with water and give a clear indication when the tank was full. Unbelievable bad design.
     
    • Like Like x 2
  17. GJH

    GJH Funster Life Member

    Joined:
    Aug 20, 2007
    Messages:
    27,238
    Likes Received:
    34,455
    Location:
    Acklam, Teesside, originally Glossop
    Our Autoquest used to slop a little water through the overflow pipe when going round a sharp bend when it was full. Our Burstner doesn't slop water at all.
     
  18. Lenny HB

    Lenny HB Funster

    Joined:
    Oct 18, 2007
    Messages:
    5,247
    Likes Received:
    5,044
    Location:
    West Sussex
    I should hope not it's a German van.:)
    Our Hymer has the overflow in the side at the top of the tank and never looses any water either.
     
  19. WillH

    WillH Funster

    Joined:
    Feb 9, 2008
    Messages:
    1,616
    Likes Received:
    1,288
    Location:
    SW Scotland
    Why fill it up? We put in two watering cans before leaving home and one can a day thereafter, faster and easier than using a hose and less weight to lug around.
     
  20. Lenny HB

    Lenny HB Funster

    Joined:
    Oct 18, 2007
    Messages:
    5,247
    Likes Received:
    5,044
    Location:
    West Sussex
    Because you can never be certain when you will next be able to get water, much safer to travel with a full tank.
     
    • Like Like x 2
Loading...

Share This Page