www.thetford-europe.com on the home page click on service and to the right of next page that shows click repair instruction then click sanitation.
select and download the pdf file.
it would have helped if you explained it was a thetford toilet there are literally hundreds of toilets on the market how are we supposed to guess which one yours is. Its as well I also have a caravan downloaded the pdf file.
Bob U.K.
October 2012
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