Having a new and fresh waste tank is not only nicer, but after a couple of years of use, the gaskets can dry out and leak. We have replacement tanks for models from Thetford and Dometic. Thetfors cassettes for C200, C220, C250/260, C400, C500, C2/C3/C4 and Dometic waste tank. When you have bought a used caravan or mobile home, it can also be nice to invest in a fresh-up set with a new tank and a new seat ring.
Not sure which cassette toilet you have? There is a label on your tank and also on your toilet seat where you can see which model you should choose. If your toilet is called Thetford 261 CS, for example, then it is the cassette for C250/C260 that you should choose. If you have an old model without a label, you can take a picture of the tank and email us and we will help see which model fits.
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