Message Forums

Hi - just come back from holiday and had problems with this Caravan Thetford toilet. Everytime I came to empty - there was waste around the handles etc of the holding tank.The blade opens ok and most seems to go where it should but just a small amount urine seems to always end up in handle area of Holding tank plus toilet area has  developed a smell!

We tried using the device with blade open all time - made little difference. I checked the level of the van to see if any problems all ok. Anyone any ideas? I wondered if new seal above the blade is the problem - it looks intack and not perished. Can this be adjusted to give a tighter seal between tank and toilet? Any advice greatfully received

Sounds like a new seal is needed .

atb

Wizard

Hi Thanks Wizard. I wasn't sure if the seal was purely to keep evrything seal inside the Holding tank? I did think that any seal would have to be touching the under part of the main toilet block in-order that nothing leaks out.

look here,if old style the the seal needs replacing as they swell and do not seal,from about 2003 that is not a problem.make sure the seal area inside the caravan is free from any water before you remove the tank otherwise the residue is spilt over the tank top when removing.

http://www.thetford-europe.com/web/show/id=84549/langid=42

Lip seal (produced after 15 june 2000)

very easy to do the seal there is a location lip

Thanks Michael. This is a C4 Thetford toilet and not sure of its age. But after removing the holding tank and looking up at the toilet there is just a rectanglur flat plate (with the circular hole) I am assuming the seal you are on about is on the Holding tank (under the plate that slides) and that this should be a tight fit onto this recatngular plate I am describing?